Home / 1,198,239,966.40-1,797,359,949.60-993,998,660.80

Finding the Fourth Proportional to 1,198,239,966.40, 1,797,359,949.60 and 993,998,660.80

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Solution

The fourth proportional to 1,198,239,966.40, 1,797,359,949.60 and 993,998,660.80 is: 1,490,997,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,239,966.40 : 1,797,359,949.60 = 993,998,660.80 : x
  2. Step 2: Convert to fraction form
    1,198,239,966.40/1,797,359,949.60 = 993,998,660.80/x
  3. Step 3: Cross multiply
    1,198,239,966.40x = 1,797,359,949.60 × 993,998,660.80
  4. Step 4: Simplify right side
    1,198,239,966.40x = 1,786,573,382,877,955,328
  5. Step 5: Solve for x
    x = 1,786,573,382,877,955,328/1,198,239,966.40
  6. Step 6: Final answer
    x = 1,490,997,991.20

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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.