Home / 625,152,007.70-937,728,011.55-319,387,246.10

Finding the Fourth Proportional to 625,152,007.70, 937,728,011.55 and 319,387,246.10

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Solution

The fourth proportional to 625,152,007.70, 937,728,011.55 and 319,387,246.10 is: 479,080,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,152,007.70 : 937,728,011.55 = 319,387,246.10 : x
  2. Step 2: Convert to fraction form
    625,152,007.70/937,728,011.55 = 319,387,246.10/x
  3. Step 3: Cross multiply
    625,152,007.70x = 937,728,011.55 × 319,387,246.10
  4. Step 4: Simplify right side
    625,152,007.70x = 299,498,367,199,783,488
  5. Step 5: Solve for x
    x = 299,498,367,199,783,488/625,152,007.70
  6. Step 6: Final answer
    x = 479,080,869.15

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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.