Home / 78,725,935,789.60-108,641,720,643.60-44,438,860,982.56

Finding the Fourth Proportional to 78,725,935,789.60, 108,641,720,643.60 and 44,438,860,982.56

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Solution

The fourth proportional to 78,725,935,789.60, 108,641,720,643.60 and 44,438,860,982.56 is: 61,325,588,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,725,935,789.60 : 108,641,720,643.60 = 44,438,860,982.56 : x
  2. Step 2: Convert to fraction form
    78,725,935,789.60/108,641,720,643.60 = 44,438,860,982.56/x
  3. Step 3: Cross multiply
    78,725,935,789.60x = 108,641,720,643.60 × 44,438,860,982.56
  4. Step 4: Simplify right side
    78,725,935,789.60x = 4,827,914,320,587,059,625,984
  5. Step 5: Solve for x
    x = 4,827,914,320,587,059,625,984/78,725,935,789.60
  6. Step 6: Final answer
    x = 61,325,588,221.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.