Home / 1,781,443,113.75-2,672,077,757.22-661,184,749.44

Finding the Fourth Proportional to 1,781,443,113.75, 2,672,077,757.22 and 661,184,749.44

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Solution

The fourth proportional to 1,781,443,113.75, 2,672,077,757.22 and 661,184,749.44 is: 991,744,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,443,113.75 : 2,672,077,757.22 = 661,184,749.44 : x
  2. Step 2: Convert to fraction form
    1,781,443,113.75/2,672,077,757.22 = 661,184,749.44/x
  3. Step 3: Cross multiply
    1,781,443,113.75x = 2,672,077,757.22 × 661,184,749.44
  4. Step 4: Simplify right side
    1,781,443,113.75x = 1,766,737,062,391,702,784
  5. Step 5: Solve for x
    x = 1,766,737,062,391,702,784/1,781,443,113.75
  6. Step 6: Final answer
    x = 991,744,866.15

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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.