Home / 517,468,246.20-776,202,369.30-425,635,241.40

Finding the Fourth Proportional to 517,468,246.20, 776,202,369.30 and 425,635,241.40

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Solution

The fourth proportional to 517,468,246.20, 776,202,369.30 and 425,635,241.40 is: 638,452,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,468,246.20 : 776,202,369.30 = 425,635,241.40 : x
  2. Step 2: Convert to fraction form
    517,468,246.20/776,202,369.30 = 425,635,241.40/x
  3. Step 3: Cross multiply
    517,468,246.20x = 776,202,369.30 × 425,635,241.40
  4. Step 4: Simplify right side
    517,468,246.20x = 330,379,082,832,257,408
  5. Step 5: Solve for x
    x = 330,379,082,832,257,408/517,468,246.20
  6. Step 6: Final answer
    x = 638,452,862.10

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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.