Home / 2,105,178,084.20-3,154,365,903.90-1,327,431,895.40

Finding the Fourth Proportional to 2,105,178,084.20, 3,154,365,903.90 and 1,327,431,895.40

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Solution

The fourth proportional to 2,105,178,084.20, 3,154,365,903.90 and 1,327,431,895.40 is: 1,989,003,183.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,178,084.20 : 3,154,365,903.90 = 1,327,431,895.40 : x
  2. Step 2: Convert to fraction form
    2,105,178,084.20/3,154,365,903.90 = 1,327,431,895.40/x
  3. Step 3: Cross multiply
    2,105,178,084.20x = 3,154,365,903.90 × 1,327,431,895.40
  4. Step 4: Simplify right side
    2,105,178,084.20x = 4,187,205,910,599,111,680
  5. Step 5: Solve for x
    x = 4,187,205,910,599,111,680/2,105,178,084.20
  6. Step 6: Final answer
    x = 1,989,003,183.16

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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.