Home / 3,722,137,428.80-5,583,206,143.20-3,315,345,915.35

Finding the Fourth Proportional to 3,722,137,428.80, 5,583,206,143.20 and 3,315,345,915.35

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Solution

The fourth proportional to 3,722,137,428.80, 5,583,206,143.20 and 3,315,345,915.35 is: 4,973,018,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722,137,428.80 : 5,583,206,143.20 = 3,315,345,915.35 : x
  2. Step 2: Convert to fraction form
    3,722,137,428.80/5,583,206,143.20 = 3,315,345,915.35/x
  3. Step 3: Cross multiply
    3,722,137,428.80x = 5,583,206,143.20 × 3,315,345,915.35
  4. Step 4: Simplify right side
    3,722,137,428.80x = 18,510,259,681,415,147,520
  5. Step 5: Solve for x
    x = 18,510,259,681,415,147,520/3,722,137,428.80
  6. Step 6: Final answer
    x = 4,973,018,873.03

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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.