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Finding the Fourth Proportional to 1,062,884,763.80, 1,594,327,145.70 and 994,860,315.80

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Solution

The fourth proportional to 1,062,884,763.80, 1,594,327,145.70 and 994,860,315.80 is: 1,492,290,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,884,763.80 : 1,594,327,145.70 = 994,860,315.80 : x
  2. Step 2: Convert to fraction form
    1,062,884,763.80/1,594,327,145.70 = 994,860,315.80/x
  3. Step 3: Cross multiply
    1,062,884,763.80x = 1,594,327,145.70 × 994,860,315.80
  4. Step 4: Simplify right side
    1,062,884,763.80x = 1,586,132,807,659,614,464
  5. Step 5: Solve for x
    x = 1,586,132,807,659,614,464/1,062,884,763.80
  6. Step 6: Final answer
    x = 1,492,290,473.70

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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.