Home / 892,112,834.24-1,231,043,538.90-515,793,565.48

Finding the Fourth Proportional to 892,112,834.24, 1,231,043,538.90 and 515,793,565.48

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Solution

The fourth proportional to 892,112,834.24, 1,231,043,538.90 and 515,793,565.48 is: 711,753,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,112,834.24 : 1,231,043,538.90 = 515,793,565.48 : x
  2. Step 2: Convert to fraction form
    892,112,834.24/1,231,043,538.90 = 515,793,565.48/x
  3. Step 3: Cross multiply
    892,112,834.24x = 1,231,043,538.90 × 515,793,565.48
  4. Step 4: Simplify right side
    892,112,834.24x = 634,964,336,190,348,160
  5. Step 5: Solve for x
    x = 634,964,336,190,348,160/892,112,834.24
  6. Step 6: Final answer
    x = 711,753,392.42

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Double scale
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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.