Home / 2,071,821,987.20-3,107,732,980.80-1,805,770,812.80

Finding the Fourth Proportional to 2,071,821,987.20, 3,107,732,980.80 and 1,805,770,812.80

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Solution

The fourth proportional to 2,071,821,987.20, 3,107,732,980.80 and 1,805,770,812.80 is: 2,708,656,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,821,987.20 : 3,107,732,980.80 = 1,805,770,812.80 : x
  2. Step 2: Convert to fraction form
    2,071,821,987.20/3,107,732,980.80 = 1,805,770,812.80/x
  3. Step 3: Cross multiply
    2,071,821,987.20x = 3,107,732,980.80 × 1,805,770,812.80
  4. Step 4: Simplify right side
    2,071,821,987.20x = 5,611,853,510,704,582,656
  5. Step 5: Solve for x
    x = 5,611,853,510,704,582,656/2,071,821,987.20
  6. Step 6: Final answer
    x = 2,708,656,219.20

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Double scale
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1.5x scale

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.