Home / 567,122,354.20-782,609,500.02-312,813,788.68

Finding the Fourth Proportional to 567,122,354.20, 782,609,500.02 and 312,813,788.68

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Solution

The fourth proportional to 567,122,354.20, 782,609,500.02 and 312,813,788.68 is: 431,672,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,122,354.20 : 782,609,500.02 = 312,813,788.68 : x
  2. Step 2: Convert to fraction form
    567,122,354.20/782,609,500.02 = 312,813,788.68/x
  3. Step 3: Cross multiply
    567,122,354.20x = 782,609,500.02 × 312,813,788.68
  4. Step 4: Simplify right side
    567,122,354.20x = 244,811,042,758,216,736
  5. Step 5: Solve for x
    x = 244,811,042,758,216,736/567,122,354.20
  6. Step 6: Final answer
    x = 431,672,355.97

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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.