Home / 842,649,250.92-1,162,857,879.42-466,333,221.60

Finding the Fourth Proportional to 842,649,250.92, 1,162,857,879.42 and 466,333,221.60

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Solution

The fourth proportional to 842,649,250.92, 1,162,857,879.42 and 466,333,221.60 is: 643,540,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,649,250.92 : 1,162,857,879.42 = 466,333,221.60 : x
  2. Step 2: Convert to fraction form
    842,649,250.92/1,162,857,879.42 = 466,333,221.60/x
  3. Step 3: Cross multiply
    842,649,250.92x = 1,162,857,879.42 × 466,333,221.60
  4. Step 4: Simplify right side
    842,649,250.92x = 542,279,261,172,873,024
  5. Step 5: Solve for x
    x = 542,279,261,172,873,024/842,649,250.92
  6. Step 6: Final answer
    x = 643,540,904.57

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1.5x scale

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.