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Finding the Fourth Proportional to 588,662,900.79, 812,373,213.42 and 337,813,190.21

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Solution

The fourth proportional to 588,662,900.79, 812,373,213.42 and 337,813,190.21 is: 466,192,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,662,900.79 : 812,373,213.42 = 337,813,190.21 : x
  2. Step 2: Convert to fraction form
    588,662,900.79/812,373,213.42 = 337,813,190.21/x
  3. Step 3: Cross multiply
    588,662,900.79x = 812,373,213.42 × 337,813,190.21
  4. Step 4: Simplify right side
    588,662,900.79x = 274,430,386,862,497,504
  5. Step 5: Solve for x
    x = 274,430,386,862,497,504/588,662,900.79
  6. Step 6: Final answer
    x = 466,192,767.53

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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.