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Finding the Fourth Proportional to 996,453,309.60, 1,494,679,964.40 and 990,713,746.80

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Solution

The fourth proportional to 996,453,309.60, 1,494,679,964.40 and 990,713,746.80 is: 1,486,070,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,453,309.60 : 1,494,679,964.40 = 990,713,746.80 : x
  2. Step 2: Convert to fraction form
    996,453,309.60/1,494,679,964.40 = 990,713,746.80/x
  3. Step 3: Cross multiply
    996,453,309.60x = 1,494,679,964.40 × 990,713,746.80
  4. Step 4: Simplify right side
    996,453,309.60x = 1,480,799,987,797,614,592
  5. Step 5: Solve for x
    x = 1,480,799,987,797,614,592/996,453,309.60
  6. Step 6: Final answer
    x = 1,486,070,620.20

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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.