Home / 265,356,008.70-398,034,013.05-173,523,003.90

Finding the Fourth Proportional to 265,356,008.70, 398,034,013.05 and 173,523,003.90

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Solution

The fourth proportional to 265,356,008.70, 398,034,013.05 and 173,523,003.90 is: 260,284,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,356,008.70 : 398,034,013.05 = 173,523,003.90 : x
  2. Step 2: Convert to fraction form
    265,356,008.70/398,034,013.05 = 173,523,003.90/x
  3. Step 3: Cross multiply
    265,356,008.70x = 398,034,013.05 × 173,523,003.90
  4. Step 4: Simplify right side
    265,356,008.70x = 69,068,057,598,807,808
  5. Step 5: Solve for x
    x = 69,068,057,598,807,808/265,356,008.70
  6. Step 6: Final answer
    x = 260,284,505.85

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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.