Home / 378,479,543.04-567,715,525.92-119,694,807.36

Finding the Fourth Proportional to 378,479,543.04, 567,715,525.92 and 119,694,807.36

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Solution

The fourth proportional to 378,479,543.04, 567,715,525.92 and 119,694,807.36 is: 179,541,012.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,479,543.04 : 567,715,525.92 = 119,694,807.36 : x
  2. Step 2: Convert to fraction form
    378,479,543.04/567,715,525.92 = 119,694,807.36/x
  3. Step 3: Cross multiply
    378,479,543.04x = 567,715,525.92 × 119,694,807.36
  4. Step 4: Simplify right side
    378,479,543.04x = 67,952,600,510,275,480
  5. Step 5: Solve for x
    x = 67,952,600,510,275,480/378,479,543.04
  6. Step 6: Final answer
    x = 179,541,012.88

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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.