Home / 841,232,540.70-1,260,720,861.27-654,711,696.42

Finding the Fourth Proportional to 841,232,540.70, 1,260,720,861.27 and 654,711,696.42

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Solution

The fourth proportional to 841,232,540.70, 1,260,720,861.27 and 654,711,696.42 is: 981,189,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,232,540.70 : 1,260,720,861.27 = 654,711,696.42 : x
  2. Step 2: Convert to fraction form
    841,232,540.70/1,260,720,861.27 = 654,711,696.42/x
  3. Step 3: Cross multiply
    841,232,540.70x = 1,260,720,861.27 × 654,711,696.42
  4. Step 4: Simplify right side
    841,232,540.70x = 825,408,693,794,165,120
  5. Step 5: Solve for x
    x = 825,408,693,794,165,120/841,232,540.70
  6. Step 6: Final answer
    x = 981,189,687.58

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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.