Home / 532,128,435.38-729,003,778.42-512,233,318.24

Finding the Fourth Proportional to 532,128,435.38, 729,003,778.42 and 512,233,318.24

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Solution

The fourth proportional to 532,128,435.38, 729,003,778.42 and 512,233,318.24 is: 701,747,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,128,435.38 : 729,003,778.42 = 512,233,318.24 : x
  2. Step 2: Convert to fraction form
    532,128,435.38/729,003,778.42 = 512,233,318.24/x
  3. Step 3: Cross multiply
    532,128,435.38x = 729,003,778.42 × 512,233,318.24
  4. Step 4: Simplify right side
    532,128,435.38x = 373,420,024,429,574,272
  5. Step 5: Solve for x
    x = 373,420,024,429,574,272/532,128,435.38
  6. Step 6: Final answer
    x = 701,747,923.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.