Home / 284,631,725,431.91-392,799,008,171.74-156,173,140,004.46

Finding the Fourth Proportional to 284,631,725,431.91, 392,799,008,171.74 and 156,173,140,004.46

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Solution

The fourth proportional to 284,631,725,431.91, 392,799,008,171.74 and 156,173,140,004.46 is: 215,522,898,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,631,725,431.91 : 392,799,008,171.74 = 156,173,140,004.46 : x
  2. Step 2: Convert to fraction form
    284,631,725,431.91/392,799,008,171.74 = 156,173,140,004.46/x
  3. Step 3: Cross multiply
    284,631,725,431.91x = 392,799,008,171.74 × 156,173,140,004.46
  4. Step 4: Simplify right side
    284,631,725,431.91x = 61,344,654,496,818,175,934,464
  5. Step 5: Solve for x
    x = 61,344,654,496,818,175,934,464/284,631,725,431.91
  6. Step 6: Final answer
    x = 215,522,898,593.72

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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.