Home / 498,247,577.16-687,568,335.12-275,224,458.76

Finding the Fourth Proportional to 498,247,577.16, 687,568,335.12 and 275,224,458.76

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Solution

The fourth proportional to 498,247,577.16, 687,568,335.12 and 275,224,458.76 is: 379,802,394.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,247,577.16 : 687,568,335.12 = 275,224,458.76 : x
  2. Step 2: Convert to fraction form
    498,247,577.16/687,568,335.12 = 275,224,458.76/x
  3. Step 3: Cross multiply
    498,247,577.16x = 687,568,335.12 × 275,224,458.76
  4. Step 4: Simplify right side
    498,247,577.16x = 189,235,622,893,916,288
  5. Step 5: Solve for x
    x = 189,235,622,893,916,288/498,247,577.16
  6. Step 6: Final answer
    x = 379,802,394.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.