Home / 2,839,398,699.80-4,259,098,049.70-1,310,574,891.80

Finding the Fourth Proportional to 2,839,398,699.80, 4,259,098,049.70 and 1,310,574,891.80

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Solution

The fourth proportional to 2,839,398,699.80, 4,259,098,049.70 and 1,310,574,891.80 is: 1,965,862,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,398,699.80 : 4,259,098,049.70 = 1,310,574,891.80 : x
  2. Step 2: Convert to fraction form
    2,839,398,699.80/4,259,098,049.70 = 1,310,574,891.80/x
  3. Step 3: Cross multiply
    2,839,398,699.80x = 4,259,098,049.70 × 1,310,574,891.80
  4. Step 4: Simplify right side
    2,839,398,699.80x = 5,581,866,965,651,168,256
  5. Step 5: Solve for x
    x = 5,581,866,965,651,168,256/2,839,398,699.80
  6. Step 6: Final answer
    x = 1,965,862,337.70

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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.