Home / 498,247,574.03-687,568,330.80-275,224,455.63

Finding the Fourth Proportional to 498,247,574.03, 687,568,330.80 and 275,224,455.63

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Solution

The fourth proportional to 498,247,574.03, 687,568,330.80 and 275,224,455.63 is: 379,802,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,247,574.03 : 687,568,330.80 = 275,224,455.63 : x
  2. Step 2: Convert to fraction form
    498,247,574.03/687,568,330.80 = 275,224,455.63/x
  3. Step 3: Cross multiply
    498,247,574.03x = 687,568,330.80 × 275,224,455.63
  4. Step 4: Simplify right side
    498,247,574.03x = 189,235,619,554,749,344
  5. Step 5: Solve for x
    x = 189,235,619,554,749,344/498,247,574.03
  6. Step 6: Final answer
    x = 379,802,390.25

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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.