Home / 2,382,055,551.21-3,287,218,519.51-1,310,335,862.61

Finding the Fourth Proportional to 2,382,055,551.21, 3,287,218,519.51 and 1,310,335,862.61

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Solution

The fourth proportional to 2,382,055,551.21, 3,287,218,519.51 and 1,310,335,862.61 is: 1,808,253,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382,055,551.21 : 3,287,218,519.51 = 1,310,335,862.61 : x
  2. Step 2: Convert to fraction form
    2,382,055,551.21/3,287,218,519.51 = 1,310,335,862.61/x
  3. Step 3: Cross multiply
    2,382,055,551.21x = 3,287,218,519.51 × 1,310,335,862.61
  4. Step 4: Simplify right side
    2,382,055,551.21x = 4,307,360,314,349,703,168
  5. Step 5: Solve for x
    x = 4,307,360,314,349,703,168/2,382,055,551.21
  6. Step 6: Final answer
    x = 1,808,253,511.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.