Home / 1,211,600,711.40-1,817,401,067.10-752,057,773.80

Finding the Fourth Proportional to 1,211,600,711.40, 1,817,401,067.10 and 752,057,773.80

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Solution

The fourth proportional to 1,211,600,711.40, 1,817,401,067.10 and 752,057,773.80 is: 1,128,086,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,600,711.40 : 1,817,401,067.10 = 752,057,773.80 : x
  2. Step 2: Convert to fraction form
    1,211,600,711.40/1,817,401,067.10 = 752,057,773.80/x
  3. Step 3: Cross multiply
    1,211,600,711.40x = 1,817,401,067.10 × 752,057,773.80
  4. Step 4: Simplify right side
    1,211,600,711.40x = 1,366,790,600,624,970,240
  5. Step 5: Solve for x
    x = 1,366,790,600,624,970,240/1,211,600,711.40
  6. Step 6: Final answer
    x = 1,128,086,660.70

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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.