Home / 347,753,605.20-521,182,510.20-266,572,165.20

Finding the Fourth Proportional to 347,753,605.20, 521,182,510.20 and 266,572,165.20

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Solution

The fourth proportional to 347,753,605.20, 521,182,510.20 and 266,572,165.20 is: 399,514,909.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,753,605.20 : 521,182,510.20 = 266,572,165.20 : x
  2. Step 2: Convert to fraction form
    347,753,605.20/521,182,510.20 = 266,572,165.20/x
  3. Step 3: Cross multiply
    347,753,605.20x = 521,182,510.20 × 266,572,165.20
  4. Step 4: Simplify right side
    347,753,605.20x = 138,932,750,208,385,072
  5. Step 5: Solve for x
    x = 138,932,750,208,385,072/347,753,605.20
  6. Step 6: Final answer
    x = 399,514,909.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.