Home / 1,135,132,975.20-1,702,951,405.20-521,569,250.40

Finding the Fourth Proportional to 1,135,132,975.20, 1,702,951,405.20 and 521,569,250.40

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Solution

The fourth proportional to 1,135,132,975.20, 1,702,951,405.20 and 521,569,250.40 is: 782,469,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,132,975.20 : 1,702,951,405.20 = 521,569,250.40 : x
  2. Step 2: Convert to fraction form
    1,135,132,975.20/1,702,951,405.20 = 521,569,250.40/x
  3. Step 3: Cross multiply
    1,135,132,975.20x = 1,702,951,405.20 × 521,569,250.40
  4. Step 4: Simplify right side
    1,135,132,975.20x = 888,207,087,877,790,592
  5. Step 5: Solve for x
    x = 888,207,087,877,790,592/1,135,132,975.20
  6. Step 6: Final answer
    x = 782,469,637.73

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1.5x scale

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.