Home / 30,801,497,639.30-42,506,316,316.72-17,068,520,289.58

Finding the Fourth Proportional to 30,801,497,639.30, 42,506,316,316.72 and 17,068,520,289.58

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Solution

The fourth proportional to 30,801,497,639.30, 42,506,316,316.72 and 17,068,520,289.58 is: 23,554,696,300.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801,497,639.30 : 42,506,316,316.72 = 17,068,520,289.58 : x
  2. Step 2: Convert to fraction form
    30,801,497,639.30/42,506,316,316.72 = 17,068,520,289.58/x
  3. Step 3: Cross multiply
    30,801,497,639.30x = 42,506,316,316.72 × 17,068,520,289.58
  4. Step 4: Simplify right side
    30,801,497,639.30x = 725,519,922,487,240,687,616
  5. Step 5: Solve for x
    x = 725,519,922,487,240,687,616/30,801,497,639.30
  6. Step 6: Final answer
    x = 23,554,696,300.27

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Double scale
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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.