Home / 491,435,587.52-737,155,398.72-122,969,538.08

Finding the Fourth Proportional to 491,435,587.52, 737,155,398.72 and 122,969,538.08

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Solution

The fourth proportional to 491,435,587.52, 737,155,398.72 and 122,969,538.08 is: 184,454,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,435,587.52 : 737,155,398.72 = 122,969,538.08 : x
  2. Step 2: Convert to fraction form
    491,435,587.52/737,155,398.72 = 122,969,538.08/x
  3. Step 3: Cross multiply
    491,435,587.52x = 737,155,398.72 × 122,969,538.08
  4. Step 4: Simplify right side
    491,435,587.52x = 90,647,658,873,776,624
  5. Step 5: Solve for x
    x = 90,647,658,873,776,624/491,435,587.52
  6. Step 6: Final answer
    x = 184,454,811.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.