Home / 488,352,708.20-732,529,062.30-442,436,205.80

Finding the Fourth Proportional to 488,352,708.20, 732,529,062.30 and 442,436,205.80

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Solution

The fourth proportional to 488,352,708.20, 732,529,062.30 and 442,436,205.80 is: 663,654,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,352,708.20 : 732,529,062.30 = 442,436,205.80 : x
  2. Step 2: Convert to fraction form
    488,352,708.20/732,529,062.30 = 442,436,205.80/x
  3. Step 3: Cross multiply
    488,352,708.20x = 732,529,062.30 × 442,436,205.80
  4. Step 4: Simplify right side
    488,352,708.20x = 324,097,378,962,243,840
  5. Step 5: Solve for x
    x = 324,097,378,962,243,840/488,352,708.20
  6. Step 6: Final answer
    x = 663,654,308.70

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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.