Home / 284,631,725,411.92-392,799,008,144.14-156,173,139,984.46

Finding the Fourth Proportional to 284,631,725,411.92, 392,799,008,144.14 and 156,173,139,984.46

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Solution

The fourth proportional to 284,631,725,411.92, 392,799,008,144.14 and 156,173,139,984.46 is: 215,522,898,566.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,631,725,411.92 : 392,799,008,144.14 = 156,173,139,984.46 : x
  2. Step 2: Convert to fraction form
    284,631,725,411.92/392,799,008,144.14 = 156,173,139,984.46/x
  3. Step 3: Cross multiply
    284,631,725,411.92x = 392,799,008,144.14 × 156,173,139,984.46
  4. Step 4: Simplify right side
    284,631,725,411.92x = 61,344,654,484,651,817,041,920
  5. Step 5: Solve for x
    x = 61,344,654,484,651,817,041,920/284,631,725,411.92
  6. Step 6: Final answer
    x = 215,522,898,566.12

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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.