Home / 12,149,274,243.60-18,223,911,365.40-8,472,930,742.80

Finding the Fourth Proportional to 12,149,274,243.60, 18,223,911,365.40 and 8,472,930,742.80

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Solution

The fourth proportional to 12,149,274,243.60, 18,223,911,365.40 and 8,472,930,742.80 is: 12,709,396,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149,274,243.60 : 18,223,911,365.40 = 8,472,930,742.80 : x
  2. Step 2: Convert to fraction form
    12,149,274,243.60/18,223,911,365.40 = 8,472,930,742.80/x
  3. Step 3: Cross multiply
    12,149,274,243.60x = 18,223,911,365.40 × 8,472,930,742.80
  4. Step 4: Simplify right side
    12,149,274,243.60x = 154,409,938,861,960,003,584
  5. Step 5: Solve for x
    x = 154,409,938,861,960,003,584/12,149,274,243.60
  6. Step 6: Final answer
    x = 12,709,396,114.20

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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.