Home / 827,945,470.80-1,241,918,206.20-704,840,115.60

Finding the Fourth Proportional to 827,945,470.80, 1,241,918,206.20 and 704,840,115.60

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Solution

The fourth proportional to 827,945,470.80, 1,241,918,206.20 and 704,840,115.60 is: 1,057,260,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,945,470.80 : 1,241,918,206.20 = 704,840,115.60 : x
  2. Step 2: Convert to fraction form
    827,945,470.80/1,241,918,206.20 = 704,840,115.60/x
  3. Step 3: Cross multiply
    827,945,470.80x = 1,241,918,206.20 × 704,840,115.60
  4. Step 4: Simplify right side
    827,945,470.80x = 875,353,772,023,752,704
  5. Step 5: Solve for x
    x = 875,353,772,023,752,704/827,945,470.80
  6. Step 6: Final answer
    x = 1,057,260,173.40

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Double scale
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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.