Home / 498,524,696.32-687,966,215.64-272,468,246.16

Finding the Fourth Proportional to 498,524,696.32, 687,966,215.64 and 272,468,246.16

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Solution

The fourth proportional to 498,524,696.32, 687,966,215.64 and 272,468,246.16 is: 376,007,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,524,696.32 : 687,966,215.64 = 272,468,246.16 : x
  2. Step 2: Convert to fraction form
    498,524,696.32/687,966,215.64 = 272,468,246.16/x
  3. Step 3: Cross multiply
    498,524,696.32x = 687,966,215.64 × 272,468,246.16
  4. Step 4: Simplify right side
    498,524,696.32x = 187,448,948,192,763,168
  5. Step 5: Solve for x
    x = 187,448,948,192,763,168/498,524,696.32
  6. Step 6: Final answer
    x = 376,007,346.43

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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.