Home / 1,098,145,744.74-1,647,217,295.19-280,258,133.22

Finding the Fourth Proportional to 1,098,145,744.74, 1,647,217,295.19 and 280,258,133.22

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Solution

The fourth proportional to 1,098,145,744.74, 1,647,217,295.19 and 280,258,133.22 is: 420,386,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,145,744.74 : 1,647,217,295.19 = 280,258,133.22 : x
  2. Step 2: Convert to fraction form
    1,098,145,744.74/1,647,217,295.19 = 280,258,133.22/x
  3. Step 3: Cross multiply
    1,098,145,744.74x = 1,647,217,295.19 × 280,258,133.22
  4. Step 4: Simplify right side
    1,098,145,744.74x = 461,646,044,157,647,168
  5. Step 5: Solve for x
    x = 461,646,044,157,647,168/1,098,145,744.74
  6. Step 6: Final answer
    x = 420,386,862.46

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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.