Home / 542,642,218.28-748,846,629.96-304,454,521.52

Finding the Fourth Proportional to 542,642,218.28, 748,846,629.96 and 304,454,521.52

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Solution

The fourth proportional to 542,642,218.28, 748,846,629.96 and 304,454,521.52 is: 420,147,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,642,218.28 : 748,846,629.96 = 304,454,521.52 : x
  2. Step 2: Convert to fraction form
    542,642,218.28/748,846,629.96 = 304,454,521.52/x
  3. Step 3: Cross multiply
    542,642,218.28x = 748,846,629.96 × 304,454,521.52
  4. Step 4: Simplify right side
    542,642,218.28x = 227,989,742,416,336,288
  5. Step 5: Solve for x
    x = 227,989,742,416,336,288/542,642,218.28
  6. Step 6: Final answer
    x = 420,147,446.58

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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.