Home / 20,155,416,003.60-30,233,124,005.40-12,826,915,472.40

Finding the Fourth Proportional to 20,155,416,003.60, 30,233,124,005.40 and 12,826,915,472.40

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Solution

The fourth proportional to 20,155,416,003.60, 30,233,124,005.40 and 12,826,915,472.40 is: 19,240,373,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,416,003.60 : 30,233,124,005.40 = 12,826,915,472.40 : x
  2. Step 2: Convert to fraction form
    20,155,416,003.60/30,233,124,005.40 = 12,826,915,472.40/x
  3. Step 3: Cross multiply
    20,155,416,003.60x = 30,233,124,005.40 × 12,826,915,472.40
  4. Step 4: Simplify right side
    20,155,416,003.60x = 387,797,726,083,853,123,584
  5. Step 5: Solve for x
    x = 387,797,726,083,853,123,584/20,155,416,003.60
  6. Step 6: Final answer
    x = 19,240,373,208.60

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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.