Home / 2,443,040,438.40-3,664,560,657.60-1,278,058,780.80

Finding the Fourth Proportional to 2,443,040,438.40, 3,664,560,657.60 and 1,278,058,780.80

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Solution

The fourth proportional to 2,443,040,438.40, 3,664,560,657.60 and 1,278,058,780.80 is: 1,917,088,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443,040,438.40 : 3,664,560,657.60 = 1,278,058,780.80 : x
  2. Step 2: Convert to fraction form
    2,443,040,438.40/3,664,560,657.60 = 1,278,058,780.80/x
  3. Step 3: Cross multiply
    2,443,040,438.40x = 3,664,560,657.60 × 1,278,058,780.80
  4. Step 4: Simplify right side
    2,443,040,438.40x = 4,683,523,926,219,901,952
  5. Step 5: Solve for x
    x = 4,683,523,926,219,901,952/2,443,040,438.40
  6. Step 6: Final answer
    x = 1,917,088,171.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.