Home / 441,875,849.64-610,049,932.90-392,847,567.72

Finding the Fourth Proportional to 441,875,849.64, 610,049,932.90 and 392,847,567.72

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Solution

The fourth proportional to 441,875,849.64, 610,049,932.90 and 392,847,567.72 is: 542,361,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,875,849.64 : 610,049,932.90 = 392,847,567.72 : x
  2. Step 2: Convert to fraction form
    441,875,849.64/610,049,932.90 = 392,847,567.72/x
  3. Step 3: Cross multiply
    441,875,849.64x = 610,049,932.90 × 392,847,567.72
  4. Step 4: Simplify right side
    441,875,849.64x = 239,656,632,327,514,208
  5. Step 5: Solve for x
    x = 239,656,632,327,514,208/441,875,849.64
  6. Step 6: Final answer
    x = 542,361,915.73

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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.