Home / 30,801,497,698.74-42,506,316,398.76-17,068,520,348.91

Finding the Fourth Proportional to 30,801,497,698.74, 42,506,316,398.76 and 17,068,520,348.91

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Solution

The fourth proportional to 30,801,497,698.74, 42,506,316,398.76 and 17,068,520,348.91 is: 23,554,696,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801,497,698.74 : 42,506,316,398.76 = 17,068,520,348.91 : x
  2. Step 2: Convert to fraction form
    30,801,497,698.74/42,506,316,398.76 = 17,068,520,348.91/x
  3. Step 3: Cross multiply
    30,801,497,698.74x = 42,506,316,398.76 × 17,068,520,348.91
  4. Step 4: Simplify right side
    30,801,497,698.74x = 725,519,926,409,441,968,128
  5. Step 5: Solve for x
    x = 725,519,926,409,441,968,128/30,801,497,698.74
  6. Step 6: Final answer
    x = 23,554,696,382.15

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Half scale
Find fourth proportional to 61,602,995,397.48, 85,012,632,797.52 and 34,137,040,697.82
Double scale
Find fourth proportional to 30,801,497,699.74, 42,506,316,400.14 and 17,068,520,349.91
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.