Home / 2,680,458,540.10-4,020,687,810.15-1,991,711,004.10

Finding the Fourth Proportional to 2,680,458,540.10, 4,020,687,810.15 and 1,991,711,004.10

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Solution

The fourth proportional to 2,680,458,540.10, 4,020,687,810.15 and 1,991,711,004.10 is: 2,987,566,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,458,540.10 : 4,020,687,810.15 = 1,991,711,004.10 : x
  2. Step 2: Convert to fraction form
    2,680,458,540.10/4,020,687,810.15 = 1,991,711,004.10/x
  3. Step 3: Cross multiply
    2,680,458,540.10x = 4,020,687,810.15 × 1,991,711,004.10
  4. Step 4: Simplify right side
    2,680,458,540.10x = 8,008,048,155,526,486,016
  5. Step 5: Solve for x
    x = 8,008,048,155,526,486,016/2,680,458,540.10
  6. Step 6: Final answer
    x = 2,987,566,506.15

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