Home / 261,755,452,845.17-392,600,682,314.22-70,542,449,493.46

Finding the Fourth Proportional to 261,755,452,845.17, 392,600,682,314.22 and 70,542,449,493.46

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Solution

The fourth proportional to 261,755,452,845.17, 392,600,682,314.22 and 70,542,449,493.46 is: 105,804,916,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,755,452,845.17 : 392,600,682,314.22 = 70,542,449,493.46 : x
  2. Step 2: Convert to fraction form
    261,755,452,845.17/392,600,682,314.22 = 70,542,449,493.46/x
  3. Step 3: Cross multiply
    261,755,452,845.17x = 392,600,682,314.22 × 70,542,449,493.46
  4. Step 4: Simplify right side
    261,755,452,845.17x = 27,695,013,803,248,798,662,656
  5. Step 5: Solve for x
    x = 27,695,013,803,248,798,662,656/261,755,452,845.17
  6. Step 6: Final answer
    x = 105,804,916,391.30

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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.