Home / 1,321,661,805-1,982,718,566.29-544,882,838.82

Finding the Fourth Proportional to 1,321,661,805, 1,982,718,566.29 and 544,882,838.82

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Solution

The fourth proportional to 1,321,661,805, 1,982,718,566.29 and 544,882,838.82 is: 817,417,373.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,661,805 : 1,982,718,566.29 = 544,882,838.82 : x
  2. Step 2: Convert to fraction form
    1,321,661,805/1,982,718,566.29 = 544,882,838.82/x
  3. Step 3: Cross multiply
    1,321,661,805x = 1,982,718,566.29 × 544,882,838.82
  4. Step 4: Simplify right side
    1,321,661,805x = 1,080,349,320,981,215,616
  5. Step 5: Solve for x
    x = 1,080,349,320,981,215,616/1,321,661,805
  6. Step 6: Final answer
    x = 817,417,373.26

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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.