Home / 56,987,749,635,471-78,638,778,577,815-31,982,380,367,544

Finding the Fourth Proportional to 56,987,749,635,471, 78,638,778,577,815 and 31,982,380,367,544

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Solution

The fourth proportional to 56,987,749,635,471, 78,638,778,577,815 and 31,982,380,367,544 is: 44,133,262,748,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,987,749,635,471 : 78,638,778,577,815 = 31,982,380,367,544 : x
  2. Step 2: Convert to fraction form
    56,987,749,635,471/78,638,778,577,815 = 31,982,380,367,544/x
  3. Step 3: Cross multiply
    56,987,749,635,471x = 78,638,778,577,815 × 31,982,380,367,544
  4. Step 4: Simplify right side
    56,987,749,635,471x = 2,515,055,328,114,750,299,112,996,864
  5. Step 5: Solve for x
    x = 2,515,055,328,114,750,299,112,996,864/56,987,749,635,471
  6. Step 6: Final answer
    x = 44,133,262,748,618.86

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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.