Home / 21,504,835,999.70-32,257,253,999.55-20,198,766,598.10

Finding the Fourth Proportional to 21,504,835,999.70, 32,257,253,999.55 and 20,198,766,598.10

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Solution

The fourth proportional to 21,504,835,999.70, 32,257,253,999.55 and 20,198,766,598.10 is: 30,298,149,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504,835,999.70 : 32,257,253,999.55 = 20,198,766,598.10 : x
  2. Step 2: Convert to fraction form
    21,504,835,999.70/32,257,253,999.55 = 20,198,766,598.10/x
  3. Step 3: Cross multiply
    21,504,835,999.70x = 32,257,253,999.55 × 20,198,766,598.10
  4. Step 4: Simplify right side
    21,504,835,999.70x = 651,556,744,632,538,103,808
  5. Step 5: Solve for x
    x = 651,556,744,632,538,103,808/21,504,835,999.70
  6. Step 6: Final answer
    x = 30,298,149,897.15

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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.