Home / 1,477,642,665.40-2,215,002,110.10-699,921,359.80

Finding the Fourth Proportional to 1,477,642,665.40, 2,215,002,110.10 and 699,921,359.80

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Solution

The fourth proportional to 1,477,642,665.40, 2,215,002,110.10 and 699,921,359.80 is: 1,049,189,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,642,665.40 : 2,215,002,110.10 = 699,921,359.80 : x
  2. Step 2: Convert to fraction form
    1,477,642,665.40/2,215,002,110.10 = 699,921,359.80/x
  3. Step 3: Cross multiply
    1,477,642,665.40x = 2,215,002,110.10 × 699,921,359.80
  4. Step 4: Simplify right side
    1,477,642,665.40x = 1,550,327,288,861,061,120
  5. Step 5: Solve for x
    x = 1,550,327,288,861,061,120/1,477,642,665.40
  6. Step 6: Final answer
    x = 1,049,189,580.92

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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.