Home / 397,063,049.60-547,939,151.04-220,847,254.40

Finding the Fourth Proportional to 397,063,049.60, 547,939,151.04 and 220,847,254.40

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Solution

The fourth proportional to 397,063,049.60, 547,939,151.04 and 220,847,254.40 is: 304,764,840.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,063,049.60 : 547,939,151.04 = 220,847,254.40 : x
  2. Step 2: Convert to fraction form
    397,063,049.60/547,939,151.04 = 220,847,254.40/x
  3. Step 3: Cross multiply
    397,063,049.60x = 547,939,151.04 × 220,847,254.40
  4. Step 4: Simplify right side
    397,063,049.60x = 121,010,857,085,450,896
  5. Step 5: Solve for x
    x = 121,010,857,085,450,896/397,063,049.60
  6. Step 6: Final answer
    x = 304,764,840.77

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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.