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Finding the Fourth Proportional to 996,453,327.60, 1,494,679,991.40 and 990,713,764.80

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Solution

The fourth proportional to 996,453,327.60, 1,494,679,991.40 and 990,713,764.80 is: 1,486,070,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,453,327.60 : 1,494,679,991.40 = 990,713,764.80 : x
  2. Step 2: Convert to fraction form
    996,453,327.60/1,494,679,991.40 = 990,713,764.80/x
  3. Step 3: Cross multiply
    996,453,327.60x = 1,494,679,991.40 × 990,713,764.80
  4. Step 4: Simplify right side
    996,453,327.60x = 1,480,800,041,451,125,760
  5. Step 5: Solve for x
    x = 1,480,800,041,451,125,760/996,453,327.60
  6. Step 6: Final answer
    x = 1,486,070,647.20

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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.