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Finding the Fourth Proportional to 1,062,979,937.80, 1,594,469,906.70 and 955,841,432.20

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Solution

The fourth proportional to 1,062,979,937.80, 1,594,469,906.70 and 955,841,432.20 is: 1,433,762,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,979,937.80 : 1,594,469,906.70 = 955,841,432.20 : x
  2. Step 2: Convert to fraction form
    1,062,979,937.80/1,594,469,906.70 = 955,841,432.20/x
  3. Step 3: Cross multiply
    1,062,979,937.80x = 1,594,469,906.70 × 955,841,432.20
  4. Step 4: Simplify right side
    1,062,979,937.80x = 1,524,060,399,219,928,576
  5. Step 5: Solve for x
    x = 1,524,060,399,219,928,576/1,062,979,937.80
  6. Step 6: Final answer
    x = 1,433,762,148.30

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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.