Home / 624,159,042.96-861,353,397.12-356,229,501.12

Finding the Fourth Proportional to 624,159,042.96, 861,353,397.12 and 356,229,501.12

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Solution

The fourth proportional to 624,159,042.96, 861,353,397.12 and 356,229,501.12 is: 491,604,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,159,042.96 : 861,353,397.12 = 356,229,501.12 : x
  2. Step 2: Convert to fraction form
    624,159,042.96/861,353,397.12 = 356,229,501.12/x
  3. Step 3: Cross multiply
    624,159,042.96x = 861,353,397.12 × 356,229,501.12
  4. Step 4: Simplify right side
    624,159,042.96x = 306,839,490,944,074,880
  5. Step 5: Solve for x
    x = 306,839,490,944,074,880/624,159,042.96
  6. Step 6: Final answer
    x = 491,604,654.94

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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.