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Finding the Fourth Proportional to 996,453,919.80, 1,494,680,879.70 and 906,055,805.70

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Solution

The fourth proportional to 996,453,919.80, 1,494,680,879.70 and 906,055,805.70 is: 1,359,083,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,453,919.80 : 1,494,680,879.70 = 906,055,805.70 : x
  2. Step 2: Convert to fraction form
    996,453,919.80/1,494,680,879.70 = 906,055,805.70/x
  3. Step 3: Cross multiply
    996,453,919.80x = 1,494,680,879.70 × 906,055,805.70
  4. Step 4: Simplify right side
    996,453,919.80x = 1,354,264,288,720,968,448
  5. Step 5: Solve for x
    x = 1,354,264,288,720,968,448/996,453,919.80
  6. Step 6: Final answer
    x = 1,359,083,708.55

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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.