Home / 3,087,387,137.98-4,260,591,009.03-1,677,687,747.22

Finding the Fourth Proportional to 3,087,387,137.98, 4,260,591,009.03 and 1,677,687,747.22

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Solution

The fourth proportional to 3,087,387,137.98, 4,260,591,009.03 and 1,677,687,747.22 is: 2,315,207,329.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,387,137.98 : 4,260,591,009.03 = 1,677,687,747.22 : x
  2. Step 2: Convert to fraction form
    3,087,387,137.98/4,260,591,009.03 = 1,677,687,747.22/x
  3. Step 3: Cross multiply
    3,087,387,137.98x = 4,260,591,009.03 × 1,677,687,747.22
  4. Step 4: Simplify right side
    3,087,387,137.98x = 7,147,941,331,765,327,872
  5. Step 5: Solve for x
    x = 7,147,941,331,765,327,872/3,087,387,137.98
  6. Step 6: Final answer
    x = 2,315,207,329.79

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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.