Home / 265,719,005.80-398,578,508.70-238,845,149.80

Finding the Fourth Proportional to 265,719,005.80, 398,578,508.70 and 238,845,149.80

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Solution

The fourth proportional to 265,719,005.80, 398,578,508.70 and 238,845,149.80 is: 358,267,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,719,005.80 : 398,578,508.70 = 238,845,149.80 : x
  2. Step 2: Convert to fraction form
    265,719,005.80/398,578,508.70 = 238,845,149.80/x
  3. Step 3: Cross multiply
    265,719,005.80x = 398,578,508.70 × 238,845,149.80
  4. Step 4: Simplify right side
    265,719,005.80x = 95,198,543,617,512,112
  5. Step 5: Solve for x
    x = 95,198,543,617,512,112/265,719,005.80
  6. Step 6: Final answer
    x = 358,267,724.70

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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.