Home / 56,987,749,635,965-78,638,778,578,493-31,982,380,368,039

Finding the Fourth Proportional to 56,987,749,635,965, 78,638,778,578,493 and 31,982,380,368,039

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Solution

The fourth proportional to 56,987,749,635,965, 78,638,778,578,493 and 31,982,380,368,039 is: 44,133,262,749,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,987,749,635,965 : 78,638,778,578,493 = 31,982,380,368,039 : x
  2. Step 2: Convert to fraction form
    56,987,749,635,965/78,638,778,578,493 = 31,982,380,368,039/x
  3. Step 3: Cross multiply
    56,987,749,635,965x = 78,638,778,578,493 × 31,982,380,368,039
  4. Step 4: Simplify right side
    56,987,749,635,965x = 2,515,055,328,175,360,327,838,334,976
  5. Step 5: Solve for x
    x = 2,515,055,328,175,360,327,838,334,976/56,987,749,635,965
  6. Step 6: Final answer
    x = 44,133,262,749,299.85

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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.