Home / 1,577,245,077.27-2,365,801,849.92-412,687,785.15

Finding the Fourth Proportional to 1,577,245,077.27, 2,365,801,849.92 and 412,687,785.15

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Solution

The fourth proportional to 1,577,245,077.27, 2,365,801,849.92 and 412,687,785.15 is: 619,014,469.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,245,077.27 : 2,365,801,849.92 = 412,687,785.15 : x
  2. Step 2: Convert to fraction form
    1,577,245,077.27/2,365,801,849.92 = 412,687,785.15/x
  3. Step 3: Cross multiply
    1,577,245,077.27x = 2,365,801,849.92 × 412,687,785.15
  4. Step 4: Simplify right side
    1,577,245,077.27x = 976,337,525,547,257,472
  5. Step 5: Solve for x
    x = 976,337,525,547,257,472/1,577,245,077.27
  6. Step 6: Final answer
    x = 619,014,469.99

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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.