Home / 1,204,827,655.66-1,663,321,899.72-843,278,081.38

Finding the Fourth Proportional to 1,204,827,655.66, 1,663,321,899.72 and 843,278,081.38

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Solution

The fourth proportional to 1,204,827,655.66, 1,663,321,899.72 and 843,278,081.38 is: 1,164,185,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,827,655.66 : 1,663,321,899.72 = 843,278,081.38 : x
  2. Step 2: Convert to fraction form
    1,204,827,655.66/1,663,321,899.72 = 843,278,081.38/x
  3. Step 3: Cross multiply
    1,204,827,655.66x = 1,663,321,899.72 × 843,278,081.38
  4. Step 4: Simplify right side
    1,204,827,655.66x = 1,402,642,900,313,218,304
  5. Step 5: Solve for x
    x = 1,402,642,900,313,218,304/1,204,827,655.66
  6. Step 6: Final answer
    x = 1,164,185,511.28

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1.5x scale

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.