Home / 265,720,538.40-398,580,807.60-149,494,391.70

Finding the Fourth Proportional to 265,720,538.40, 398,580,807.60 and 149,494,391.70

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Solution

The fourth proportional to 265,720,538.40, 398,580,807.60 and 149,494,391.70 is: 224,241,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,538.40 : 398,580,807.60 = 149,494,391.70 : x
  2. Step 2: Convert to fraction form
    265,720,538.40/398,580,807.60 = 149,494,391.70/x
  3. Step 3: Cross multiply
    265,720,538.40x = 398,580,807.60 × 149,494,391.70
  4. Step 4: Simplify right side
    265,720,538.40x = 59,585,595,375,456,736
  5. Step 5: Solve for x
    x = 59,585,595,375,456,736/265,720,538.40
  6. Step 6: Final answer
    x = 224,241,587.55

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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.