Home / 373,306,196,645.97-515,157,068,826.30-208,510,120,713.48

Finding the Fourth Proportional to 373,306,196,645.97, 515,157,068,826.30 and 208,510,120,713.48

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Solution

The fourth proportional to 373,306,196,645.97, 515,157,068,826.30 and 208,510,120,713.48 is: 287,740,904,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,306,196,645.97 : 515,157,068,826.30 = 208,510,120,713.48 : x
  2. Step 2: Convert to fraction form
    373,306,196,645.97/515,157,068,826.30 = 208,510,120,713.48/x
  3. Step 3: Cross multiply
    373,306,196,645.97x = 515,157,068,826.30 × 208,510,120,713.48
  4. Step 4: Simplify right side
    373,306,196,645.97x = 107,415,462,607,374,340,063,232
  5. Step 5: Solve for x
    x = 107,415,462,607,374,340,063,232/373,306,196,645.97
  6. Step 6: Final answer
    x = 287,740,904,309.83

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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.