Home / 3,318,381,456.96-4,977,508,110.96-990,895,471.68

Finding the Fourth Proportional to 3,318,381,456.96, 4,977,508,110.96 and 990,895,471.68

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Solution

The fourth proportional to 3,318,381,456.96, 4,977,508,110.96 and 990,895,471.68 is: 1,486,324,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,381,456.96 : 4,977,508,110.96 = 990,895,471.68 : x
  2. Step 2: Convert to fraction form
    3,318,381,456.96/4,977,508,110.96 = 990,895,471.68/x
  3. Step 3: Cross multiply
    3,318,381,456.96x = 4,977,508,110.96 × 990,895,471.68
  4. Step 4: Simplify right side
    3,318,381,456.96x = 4,932,190,247,400,734,720
  5. Step 5: Solve for x
    x = 4,932,190,247,400,734,720/3,318,381,456.96
  6. Step 6: Final answer
    x = 1,486,324,074.36

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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.