Home / 1,377,794,652.30-2,066,686,079.99-381,812,836.92

Finding the Fourth Proportional to 1,377,794,652.30, 2,066,686,079.99 and 381,812,836.92

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Solution

The fourth proportional to 1,377,794,652.30, 2,066,686,079.99 and 381,812,836.92 is: 572,717,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,794,652.30 : 2,066,686,079.99 = 381,812,836.92 : x
  2. Step 2: Convert to fraction form
    1,377,794,652.30/2,066,686,079.99 = 381,812,836.92/x
  3. Step 3: Cross multiply
    1,377,794,652.30x = 2,066,686,079.99 × 381,812,836.92
  4. Step 4: Simplify right side
    1,377,794,652.30x = 789,087,275,222,146,816
  5. Step 5: Solve for x
    x = 789,087,275,222,146,816/1,377,794,652.30
  6. Step 6: Final answer
    x = 572,717,620.80

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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.