Home / 261,182,392,304.48-391,591,439,876.52-115,725,577,721.85

Finding the Fourth Proportional to 261,182,392,304.48, 391,591,439,876.52 and 115,725,577,721.85

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Solution

The fourth proportional to 261,182,392,304.48, 391,591,439,876.52 and 115,725,577,721.85 is: 173,507,659,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,182,392,304.48 : 391,591,439,876.52 = 115,725,577,721.85 : x
  2. Step 2: Convert to fraction form
    261,182,392,304.48/391,591,439,876.52 = 115,725,577,721.85/x
  3. Step 3: Cross multiply
    261,182,392,304.48x = 391,591,439,876.52 × 115,725,577,721.85
  4. Step 4: Simplify right side
    261,182,392,304.48x = 45,317,145,610,641,372,872,704
  5. Step 5: Solve for x
    x = 45,317,145,610,641,372,872,704/261,182,392,304.48
  6. Step 6: Final answer
    x = 173,507,659,573.82

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1.5x scale

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.