Home / 491,640,266.70-737,365,921.65-146,605,149.90

Finding the Fourth Proportional to 491,640,266.70, 737,365,921.65 and 146,605,149.90

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Solution

The fourth proportional to 491,640,266.70, 737,365,921.65 and 146,605,149.90 is: 219,879,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,640,266.70 : 737,365,921.65 = 146,605,149.90 : x
  2. Step 2: Convert to fraction form
    491,640,266.70/737,365,921.65 = 146,605,149.90/x
  3. Step 3: Cross multiply
    491,640,266.70x = 737,365,921.65 × 146,605,149.90
  4. Step 4: Simplify right side
    491,640,266.70x = 108,101,641,474,649,904
  5. Step 5: Solve for x
    x = 108,101,641,474,649,904/491,640,266.70
  6. Step 6: Final answer
    x = 219,879,551.77

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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.