Home / 531,468,861.60-797,203,292.40-324,844,600.80

Finding the Fourth Proportional to 531,468,861.60, 797,203,292.40 and 324,844,600.80

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Solution

The fourth proportional to 531,468,861.60, 797,203,292.40 and 324,844,600.80 is: 487,266,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,468,861.60 : 797,203,292.40 = 324,844,600.80 : x
  2. Step 2: Convert to fraction form
    531,468,861.60/797,203,292.40 = 324,844,600.80/x
  3. Step 3: Cross multiply
    531,468,861.60x = 797,203,292.40 × 324,844,600.80
  4. Step 4: Simplify right side
    531,468,861.60x = 258,967,185,276,123,680
  5. Step 5: Solve for x
    x = 258,967,185,276,123,680/531,468,861.60
  6. Step 6: Final answer
    x = 487,266,901.20

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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.