Home / 8,151,497,228.40-12,227,245,842.60-7,170,031,989.60

Finding the Fourth Proportional to 8,151,497,228.40, 12,227,245,842.60 and 7,170,031,989.60

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Solution

The fourth proportional to 8,151,497,228.40, 12,227,245,842.60 and 7,170,031,989.60 is: 10,755,047,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151,497,228.40 : 12,227,245,842.60 = 7,170,031,989.60 : x
  2. Step 2: Convert to fraction form
    8,151,497,228.40/12,227,245,842.60 = 7,170,031,989.60/x
  3. Step 3: Cross multiply
    8,151,497,228.40x = 12,227,245,842.60 × 7,170,031,989.60
  4. Step 4: Simplify right side
    8,151,497,228.40x = 87,669,743,836,145,614,848
  5. Step 5: Solve for x
    x = 87,669,743,836,145,614,848/8,151,497,228.40
  6. Step 6: Final answer
    x = 10,755,047,984.40

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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.