Home / 567,122,353.70-782,609,499.33-312,813,788.18

Finding the Fourth Proportional to 567,122,353.70, 782,609,499.33 and 312,813,788.18

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Solution

The fourth proportional to 567,122,353.70, 782,609,499.33 and 312,813,788.18 is: 431,672,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,122,353.70 : 782,609,499.33 = 312,813,788.18 : x
  2. Step 2: Convert to fraction form
    567,122,353.70/782,609,499.33 = 312,813,788.18/x
  3. Step 3: Cross multiply
    567,122,353.70x = 782,609,499.33 × 312,813,788.18
  4. Step 4: Simplify right side
    567,122,353.70x = 244,811,042,151,070,496
  5. Step 5: Solve for x
    x = 244,811,042,151,070,496/567,122,353.70
  6. Step 6: Final answer
    x = 431,672,355.28

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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.