Home / 1,087,382,022.40-1,631,073,033.60-674,133,500.80

Finding the Fourth Proportional to 1,087,382,022.40, 1,631,073,033.60 and 674,133,500.80

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Solution

The fourth proportional to 1,087,382,022.40, 1,631,073,033.60 and 674,133,500.80 is: 1,011,200,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,382,022.40 : 1,631,073,033.60 = 674,133,500.80 : x
  2. Step 2: Convert to fraction form
    1,087,382,022.40/1,631,073,033.60 = 674,133,500.80/x
  3. Step 3: Cross multiply
    1,087,382,022.40x = 1,631,073,033.60 × 674,133,500.80
  4. Step 4: Simplify right side
    1,087,382,022.40x = 1,099,560,974,201,243,904
  5. Step 5: Solve for x
    x = 1,099,560,974,201,243,904/1,087,382,022.40
  6. Step 6: Final answer
    x = 1,011,200,251.20

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Double scale
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Similar ratio
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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.