Home / 8,211,459,772.40-12,317,189,658.60-8,048,201,097.20

Finding the Fourth Proportional to 8,211,459,772.40, 12,317,189,658.60 and 8,048,201,097.20

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Solution

The fourth proportional to 8,211,459,772.40, 12,317,189,658.60 and 8,048,201,097.20 is: 12,072,301,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,459,772.40 : 12,317,189,658.60 = 8,048,201,097.20 : x
  2. Step 2: Convert to fraction form
    8,211,459,772.40/12,317,189,658.60 = 8,048,201,097.20/x
  3. Step 3: Cross multiply
    8,211,459,772.40x = 12,317,189,658.60 × 8,048,201,097.20
  4. Step 4: Simplify right side
    8,211,459,772.40x = 99,131,219,324,765,011,968
  5. Step 5: Solve for x
    x = 99,131,219,324,765,011,968/8,211,459,772.40
  6. Step 6: Final answer
    x = 12,072,301,645.80

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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.