Home / 387,779,690.28-534,955,752.90-231,058,920.36

Finding the Fourth Proportional to 387,779,690.28, 534,955,752.90 and 231,058,920.36

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Solution

The fourth proportional to 387,779,690.28, 534,955,752.90 and 231,058,920.36 is: 318,753,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,779,690.28 : 534,955,752.90 = 231,058,920.36 : x
  2. Step 2: Convert to fraction form
    387,779,690.28/534,955,752.90 = 231,058,920.36/x
  3. Step 3: Cross multiply
    387,779,690.28x = 534,955,752.90 × 231,058,920.36
  4. Step 4: Simplify right side
    387,779,690.28x = 123,606,298,705,444,944
  5. Step 5: Solve for x
    x = 123,606,298,705,444,944/387,779,690.28
  6. Step 6: Final answer
    x = 318,753,926.01

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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.