Home / 521,767,930.20-782,651,895.30-496,258,762.20

Finding the Fourth Proportional to 521,767,930.20, 782,651,895.30 and 496,258,762.20

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Solution

The fourth proportional to 521,767,930.20, 782,651,895.30 and 496,258,762.20 is: 744,388,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,767,930.20 : 782,651,895.30 = 496,258,762.20 : x
  2. Step 2: Convert to fraction form
    521,767,930.20/782,651,895.30 = 496,258,762.20/x
  3. Step 3: Cross multiply
    521,767,930.20x = 782,651,895.30 × 496,258,762.20
  4. Step 4: Simplify right side
    521,767,930.20x = 388,397,860,795,061,952
  5. Step 5: Solve for x
    x = 388,397,860,795,061,952/521,767,930.20
  6. Step 6: Final answer
    x = 744,388,143.30

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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.