Home / 30,801,497,640.80-42,506,316,318.78-17,068,520,291.08

Finding the Fourth Proportional to 30,801,497,640.80, 42,506,316,318.78 and 17,068,520,291.08

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Solution

The fourth proportional to 30,801,497,640.80, 42,506,316,318.78 and 17,068,520,291.08 is: 23,554,696,302.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801,497,640.80 : 42,506,316,318.78 = 17,068,520,291.08 : x
  2. Step 2: Convert to fraction form
    30,801,497,640.80/42,506,316,318.78 = 17,068,520,291.08/x
  3. Step 3: Cross multiply
    30,801,497,640.80x = 42,506,316,318.78 × 17,068,520,291.08
  4. Step 4: Simplify right side
    30,801,497,640.80x = 725,519,922,586,161,381,376
  5. Step 5: Solve for x
    x = 725,519,922,586,161,381,376/30,801,497,640.80
  6. Step 6: Final answer
    x = 23,554,696,302.34

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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.