Home / 12,781,445,635.20-19,172,168,452.80-9,682,081,723.20

Finding the Fourth Proportional to 12,781,445,635.20, 19,172,168,452.80 and 9,682,081,723.20

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Solution

The fourth proportional to 12,781,445,635.20, 19,172,168,452.80 and 9,682,081,723.20 is: 14,523,122,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,445,635.20 : 19,172,168,452.80 = 9,682,081,723.20 : x
  2. Step 2: Convert to fraction form
    12,781,445,635.20/19,172,168,452.80 = 9,682,081,723.20/x
  3. Step 3: Cross multiply
    12,781,445,635.20x = 19,172,168,452.80 × 9,682,081,723.20
  4. Step 4: Simplify right side
    12,781,445,635.20x = 185,626,501,770,966,499,328
  5. Step 5: Solve for x
    x = 185,626,501,770,966,499,328/12,781,445,635.20
  6. Step 6: Final answer
    x = 14,523,122,584.80

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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.