Home / 417,331,928.03-628,997,611.71-359,734,789.85

Finding the Fourth Proportional to 417,331,928.03, 628,997,611.71 and 359,734,789.85

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Solution

The fourth proportional to 417,331,928.03, 628,997,611.71 and 359,734,789.85 is: 542,187,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,331,928.03 : 628,997,611.71 = 359,734,789.85 : x
  2. Step 2: Convert to fraction form
    417,331,928.03/628,997,611.71 = 359,734,789.85/x
  3. Step 3: Cross multiply
    417,331,928.03x = 628,997,611.71 × 359,734,789.85
  4. Step 4: Simplify right side
    417,331,928.03x = 226,272,323,662,852,800
  5. Step 5: Solve for x
    x = 226,272,323,662,852,800/417,331,928.03
  6. Step 6: Final answer
    x = 542,187,904.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.