Home / 1,587,057,205.64-2,380,541,802.06-422,535,687.56

Finding the Fourth Proportional to 1,587,057,205.64, 2,380,541,802.06 and 422,535,687.56

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Solution

The fourth proportional to 1,587,057,205.64, 2,380,541,802.06 and 422,535,687.56 is: 633,791,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,057,205.64 : 2,380,541,802.06 = 422,535,687.56 : x
  2. Step 2: Convert to fraction form
    1,587,057,205.64/2,380,541,802.06 = 422,535,687.56/x
  3. Step 3: Cross multiply
    1,587,057,205.64x = 2,380,541,802.06 × 422,535,687.56
  4. Step 4: Simplify right side
    1,587,057,205.64x = 1,005,863,867,098,743,552
  5. Step 5: Solve for x
    x = 1,005,863,867,098,743,552/1,587,057,205.64
  6. Step 6: Final answer
    x = 633,791,815.14

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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.