Home / 851,427,458.60-1,277,141,187.90-527,260,188.20

Finding the Fourth Proportional to 851,427,458.60, 1,277,141,187.90 and 527,260,188.20

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Solution

The fourth proportional to 851,427,458.60, 1,277,141,187.90 and 527,260,188.20 is: 790,890,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,427,458.60 : 1,277,141,187.90 = 527,260,188.20 : x
  2. Step 2: Convert to fraction form
    851,427,458.60/1,277,141,187.90 = 527,260,188.20/x
  3. Step 3: Cross multiply
    851,427,458.60x = 1,277,141,187.90 × 527,260,188.20
  4. Step 4: Simplify right side
    851,427,458.60x = 673,385,703,090,125,568
  5. Step 5: Solve for x
    x = 673,385,703,090,125,568/851,427,458.60
  6. Step 6: Final answer
    x = 790,890,282.30

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Double scale
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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.