Home / 10,347,309,459.60-15,520,964,189.40-2,986,560,301.20

Finding the Fourth Proportional to 10,347,309,459.60, 15,520,964,189.40 and 2,986,560,301.20

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Solution

The fourth proportional to 10,347,309,459.60, 15,520,964,189.40 and 2,986,560,301.20 is: 4,479,840,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,309,459.60 : 15,520,964,189.40 = 2,986,560,301.20 : x
  2. Step 2: Convert to fraction form
    10,347,309,459.60/15,520,964,189.40 = 2,986,560,301.20/x
  3. Step 3: Cross multiply
    10,347,309,459.60x = 15,520,964,189.40 × 2,986,560,301.20
  4. Step 4: Simplify right side
    10,347,309,459.60x = 46,354,295,484,408,872,960
  5. Step 5: Solve for x
    x = 46,354,295,484,408,872,960/10,347,309,459.60
  6. Step 6: Final answer
    x = 4,479,840,451.80

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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.