Home / 880,766,634.43-1,320,277,285.82-413,591,769.37

Finding the Fourth Proportional to 880,766,634.43, 1,320,277,285.82 and 413,591,769.37

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Solution

The fourth proportional to 880,766,634.43, 1,320,277,285.82 and 413,591,769.37 is: 619,977,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,766,634.43 : 1,320,277,285.82 = 413,591,769.37 : x
  2. Step 2: Convert to fraction form
    880,766,634.43/1,320,277,285.82 = 413,591,769.37/x
  3. Step 3: Cross multiply
    880,766,634.43x = 1,320,277,285.82 × 413,591,769.37
  4. Step 4: Simplify right side
    880,766,634.43x = 546,055,818,699,048,320
  5. Step 5: Solve for x
    x = 546,055,818,699,048,320/880,766,634.43
  6. Step 6: Final answer
    x = 619,977,866.28

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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.