Home / 437,025,505.80-655,538,258.70-299,275,998.60

Finding the Fourth Proportional to 437,025,505.80, 655,538,258.70 and 299,275,998.60

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Solution

The fourth proportional to 437,025,505.80, 655,538,258.70 and 299,275,998.60 is: 448,913,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,025,505.80 : 655,538,258.70 = 299,275,998.60 : x
  2. Step 2: Convert to fraction form
    437,025,505.80/655,538,258.70 = 299,275,998.60/x
  3. Step 3: Cross multiply
    437,025,505.80x = 655,538,258.70 × 299,275,998.60
  4. Step 4: Simplify right side
    437,025,505.80x = 196,186,866,992,947,680
  5. Step 5: Solve for x
    x = 196,186,866,992,947,680/437,025,505.80
  6. Step 6: Final answer
    x = 448,913,997.90

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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.