Home / 520,854,419.19-718,779,885.91-282,699,689.14

Finding the Fourth Proportional to 520,854,419.19, 718,779,885.91 and 282,699,689.14

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Solution

The fourth proportional to 520,854,419.19, 718,779,885.91 and 282,699,689.14 is: 390,125,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,854,419.19 : 718,779,885.91 = 282,699,689.14 : x
  2. Step 2: Convert to fraction form
    520,854,419.19/718,779,885.91 = 282,699,689.14/x
  3. Step 3: Cross multiply
    520,854,419.19x = 718,779,885.91 × 282,699,689.14
  4. Step 4: Simplify right side
    520,854,419.19x = 203,198,850,304,337,952
  5. Step 5: Solve for x
    x = 203,198,850,304,337,952/520,854,419.19
  6. Step 6: Final answer
    x = 390,125,998.39

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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.