Home / 720,498,697.52-1,080,835,500.15-202,929,137.73

Finding the Fourth Proportional to 720,498,697.52, 1,080,835,500.15 and 202,929,137.73

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Solution

The fourth proportional to 720,498,697.52, 1,080,835,500.15 and 202,929,137.73 is: 304,418,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,498,697.52 : 1,080,835,500.15 = 202,929,137.73 : x
  2. Step 2: Convert to fraction form
    720,498,697.52/1,080,835,500.15 = 202,929,137.73/x
  3. Step 3: Cross multiply
    720,498,697.52x = 1,080,835,500.15 × 202,929,137.73
  4. Step 4: Simplify right side
    720,498,697.52x = 219,333,016,073,412,800
  5. Step 5: Solve for x
    x = 219,333,016,073,412,800/720,498,697.52
  6. Step 6: Final answer
    x = 304,418,338.06

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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.