Home / 498,247,574.16-687,568,330.98-275,224,455.76

Finding the Fourth Proportional to 498,247,574.16, 687,568,330.98 and 275,224,455.76

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Solution

The fourth proportional to 498,247,574.16, 687,568,330.98 and 275,224,455.76 is: 379,802,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,247,574.16 : 687,568,330.98 = 275,224,455.76 : x
  2. Step 2: Convert to fraction form
    498,247,574.16/687,568,330.98 = 275,224,455.76/x
  3. Step 3: Cross multiply
    498,247,574.16x = 687,568,330.98 × 275,224,455.76
  4. Step 4: Simplify right side
    498,247,574.16x = 189,235,619,691,782,048
  5. Step 5: Solve for x
    x = 189,235,619,691,782,048/498,247,574.16
  6. Step 6: Final answer
    x = 379,802,390.43

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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.