Home / 20,177,397,876.80-30,266,096,815.20-13,211,694,401.60

Finding the Fourth Proportional to 20,177,397,876.80, 30,266,096,815.20 and 13,211,694,401.60

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Solution

The fourth proportional to 20,177,397,876.80, 30,266,096,815.20 and 13,211,694,401.60 is: 19,817,541,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,397,876.80 : 30,266,096,815.20 = 13,211,694,401.60 : x
  2. Step 2: Convert to fraction form
    20,177,397,876.80/30,266,096,815.20 = 13,211,694,401.60/x
  3. Step 3: Cross multiply
    20,177,397,876.80x = 30,266,096,815.20 × 13,211,694,401.60
  4. Step 4: Simplify right side
    20,177,397,876.80x = 399,866,421,851,661,467,648
  5. Step 5: Solve for x
    x = 399,866,421,851,661,467,648/20,177,397,876.80
  6. Step 6: Final answer
    x = 19,817,541,602.40

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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.