Home / 3,983,471,582.30-5,974,797,904.39-1,327,240,767.78

Finding the Fourth Proportional to 3,983,471,582.30, 5,974,797,904.39 and 1,327,240,767.78

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Solution

The fourth proportional to 3,983,471,582.30, 5,974,797,904.39 and 1,327,240,767.78 is: 1,990,724,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983,471,582.30 : 5,974,797,904.39 = 1,327,240,767.78 : x
  2. Step 2: Convert to fraction form
    3,983,471,582.30/5,974,797,904.39 = 1,327,240,767.78/x
  3. Step 3: Cross multiply
    3,983,471,582.30x = 5,974,797,904.39 × 1,327,240,767.78
  4. Step 4: Simplify right side
    3,983,471,582.30x = 7,929,995,357,960,553,472
  5. Step 5: Solve for x
    x = 7,929,995,357,960,553,472/3,983,471,582.30
  6. Step 6: Final answer
    x = 1,990,724,721.92

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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.