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Finding the Fourth Proportional to 1,062,979,933.80, 1,594,469,900.70 and 955,841,428.20

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Solution

The fourth proportional to 1,062,979,933.80, 1,594,469,900.70 and 955,841,428.20 is: 1,433,762,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,979,933.80 : 1,594,469,900.70 = 955,841,428.20 : x
  2. Step 2: Convert to fraction form
    1,062,979,933.80/1,594,469,900.70 = 955,841,428.20/x
  3. Step 3: Cross multiply
    1,062,979,933.80x = 1,594,469,900.70 × 955,841,428.20
  4. Step 4: Simplify right side
    1,062,979,933.80x = 1,524,060,387,107,000,320
  5. Step 5: Solve for x
    x = 1,524,060,387,107,000,320/1,062,979,933.80
  6. Step 6: Final answer
    x = 1,433,762,142.30

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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.