Home / 20,194,759,647.70-30,292,139,471.55-18,541,765,561.30

Finding the Fourth Proportional to 20,194,759,647.70, 30,292,139,471.55 and 18,541,765,561.30

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Solution

The fourth proportional to 20,194,759,647.70, 30,292,139,471.55 and 18,541,765,561.30 is: 27,812,648,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,759,647.70 : 30,292,139,471.55 = 18,541,765,561.30 : x
  2. Step 2: Convert to fraction form
    20,194,759,647.70/30,292,139,471.55 = 18,541,765,561.30/x
  3. Step 3: Cross multiply
    20,194,759,647.70x = 30,292,139,471.55 × 18,541,765,561.30
  4. Step 4: Simplify right side
    20,194,759,647.70x = 561,669,748,431,682,142,208
  5. Step 5: Solve for x
    x = 561,669,748,431,682,142,208/20,194,759,647.70
  6. Step 6: Final answer
    x = 27,812,648,341.95

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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.