Home / 2,625,297,143.10-3,935,482,277.85-990,620,202.30

Finding the Fourth Proportional to 2,625,297,143.10, 3,935,482,277.85 and 990,620,202.30

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Solution

The fourth proportional to 2,625,297,143.10, 3,935,482,277.85 and 990,620,202.30 is: 1,485,000,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,297,143.10 : 3,935,482,277.85 = 990,620,202.30 : x
  2. Step 2: Convert to fraction form
    2,625,297,143.10/3,935,482,277.85 = 990,620,202.30/x
  3. Step 3: Cross multiply
    2,625,297,143.10x = 3,935,482,277.85 × 990,620,202.30
  4. Step 4: Simplify right side
    2,625,297,143.10x = 3,898,568,250,231,831,552
  5. Step 5: Solve for x
    x = 3,898,568,250,231,831,552/2,625,297,143.10
  6. Step 6: Final answer
    x = 1,485,000,759.05

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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.