Home / 653,842,915.97-902,277,234.32-386,005,023.72

Finding the Fourth Proportional to 653,842,915.97, 902,277,234.32 and 386,005,023.72

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Solution

The fourth proportional to 653,842,915.97, 902,277,234.32 and 386,005,023.72 is: 532,671,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,842,915.97 : 902,277,234.32 = 386,005,023.72 : x
  2. Step 2: Convert to fraction form
    653,842,915.97/902,277,234.32 = 386,005,023.72/x
  3. Step 3: Cross multiply
    653,842,915.97x = 902,277,234.32 × 386,005,023.72
  4. Step 4: Simplify right side
    653,842,915.97x = 348,283,545,233,777,600
  5. Step 5: Solve for x
    x = 348,283,545,233,777,600/653,842,915.97
  6. Step 6: Final answer
    x = 532,671,589.35

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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.