Home / 6,982,291,638.66-9,635,766,739.29-3,810,678,978.18

Finding the Fourth Proportional to 6,982,291,638.66, 9,635,766,739.29 and 3,810,678,978.18

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Solution

The fourth proportional to 6,982,291,638.66, 9,635,766,739.29 and 3,810,678,978.18 is: 5,258,848,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982,291,638.66 : 9,635,766,739.29 = 3,810,678,978.18 : x
  2. Step 2: Convert to fraction form
    6,982,291,638.66/9,635,766,739.29 = 3,810,678,978.18/x
  3. Step 3: Cross multiply
    6,982,291,638.66x = 9,635,766,739.29 × 3,810,678,978.18
  4. Step 4: Simplify right side
    6,982,291,638.66x = 36,718,813,752,058,449,920
  5. Step 5: Solve for x
    x = 36,718,813,752,058,449,920/6,982,291,638.66
  6. Step 6: Final answer
    x = 5,258,848,477.30

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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.