Home / 1,118,996,896.20-1,676,703,753.90-709,319,891.40

Finding the Fourth Proportional to 1,118,996,896.20, 1,676,703,753.90 and 709,319,891.40

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Solution

The fourth proportional to 1,118,996,896.20, 1,676,703,753.90 and 709,319,891.40 is: 1,062,844,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,996,896.20 : 1,676,703,753.90 = 709,319,891.40 : x
  2. Step 2: Convert to fraction form
    1,118,996,896.20/1,676,703,753.90 = 709,319,891.40/x
  3. Step 3: Cross multiply
    1,118,996,896.20x = 1,676,703,753.90 × 709,319,891.40
  4. Step 4: Simplify right side
    1,118,996,896.20x = 1,189,319,324,626,320,384
  5. Step 5: Solve for x
    x = 1,189,319,324,626,320,384/1,118,996,896.20
  6. Step 6: Final answer
    x = 1,062,844,167.54

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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.