Home / 825,165,531.36-1,140,361,581.24-676,251,826.56

Finding the Fourth Proportional to 825,165,531.36, 1,140,361,581.24 and 676,251,826.56

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Solution

The fourth proportional to 825,165,531.36, 1,140,361,581.24 and 676,251,826.56 is: 934,565,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,165,531.36 : 1,140,361,581.24 = 676,251,826.56 : x
  2. Step 2: Convert to fraction form
    825,165,531.36/1,140,361,581.24 = 676,251,826.56/x
  3. Step 3: Cross multiply
    825,165,531.36x = 1,140,361,581.24 × 676,251,826.56
  4. Step 4: Simplify right side
    825,165,531.36x = 771,171,602,252,399,744
  5. Step 5: Solve for x
    x = 771,171,602,252,399,744/825,165,531.36
  6. Step 6: Final answer
    x = 934,565,942.16

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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.