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Finding the Fourth Proportional to 708,591,330.60, 1,062,886,995.90 and 656,935,265.40

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Solution

The fourth proportional to 708,591,330.60, 1,062,886,995.90 and 656,935,265.40 is: 985,402,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,591,330.60 : 1,062,886,995.90 = 656,935,265.40 : x
  2. Step 2: Convert to fraction form
    708,591,330.60/1,062,886,995.90 = 656,935,265.40/x
  3. Step 3: Cross multiply
    708,591,330.60x = 1,062,886,995.90 × 656,935,265.40
  4. Step 4: Simplify right side
    708,591,330.60x = 698,247,950,741,775,232
  5. Step 5: Solve for x
    x = 698,247,950,741,775,232/708,591,330.60
  6. Step 6: Final answer
    x = 985,402,898.10

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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.