Home / 284,631,725,431.41-392,799,008,171.05-156,173,140,003.96

Finding the Fourth Proportional to 284,631,725,431.41, 392,799,008,171.05 and 156,173,140,003.96

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Solution

The fourth proportional to 284,631,725,431.41, 392,799,008,171.05 and 156,173,140,003.96 is: 215,522,898,593.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,631,725,431.41 : 392,799,008,171.05 = 156,173,140,003.96 : x
  2. Step 2: Convert to fraction form
    284,631,725,431.41/392,799,008,171.05 = 156,173,140,003.96/x
  3. Step 3: Cross multiply
    284,631,725,431.41x = 392,799,008,171.05 × 156,173,140,003.96
  4. Step 4: Simplify right side
    284,631,725,431.41x = 61,344,654,496,514,013,396,992
  5. Step 5: Solve for x
    x = 61,344,654,496,514,013,396,992/284,631,725,431.41
  6. Step 6: Final answer
    x = 215,522,898,593.03

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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.