Home / 8,227,505,418.80-12,341,258,128.20-5,748,014,289.20

Finding the Fourth Proportional to 8,227,505,418.80, 12,341,258,128.20 and 5,748,014,289.20

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Solution

The fourth proportional to 8,227,505,418.80, 12,341,258,128.20 and 5,748,014,289.20 is: 8,622,021,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227,505,418.80 : 12,341,258,128.20 = 5,748,014,289.20 : x
  2. Step 2: Convert to fraction form
    8,227,505,418.80/12,341,258,128.20 = 5,748,014,289.20/x
  3. Step 3: Cross multiply
    8,227,505,418.80x = 12,341,258,128.20 × 5,748,014,289.20
  4. Step 4: Simplify right side
    8,227,505,418.80x = 70,937,728,067,599,245,312
  5. Step 5: Solve for x
    x = 70,937,728,067,599,245,312/8,227,505,418.80
  6. Step 6: Final answer
    x = 8,622,021,433.80

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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.