Home / 498,069,831.52-687,329,192.64-275,060,949.28

Finding the Fourth Proportional to 498,069,831.52, 687,329,192.64 and 275,060,949.28

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Solution

The fourth proportional to 498,069,831.52, 687,329,192.64 and 275,060,949.28 is: 379,580,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,069,831.52 : 687,329,192.64 = 275,060,949.28 : x
  2. Step 2: Convert to fraction form
    498,069,831.52/687,329,192.64 = 275,060,949.28/x
  3. Step 3: Cross multiply
    498,069,831.52x = 687,329,192.64 × 275,060,949.28
  4. Step 4: Simplify right side
    498,069,831.52x = 189,057,420,195,414,368
  5. Step 5: Solve for x
    x = 189,057,420,195,414,368/498,069,831.52
  6. Step 6: Final answer
    x = 379,580,147.66

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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.