Home / 1,321,661,803.88-1,982,718,564.59-544,882,837.70

Finding the Fourth Proportional to 1,321,661,803.88, 1,982,718,564.59 and 544,882,837.70

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Solution

The fourth proportional to 1,321,661,803.88, 1,982,718,564.59 and 544,882,837.70 is: 817,417,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,661,803.88 : 1,982,718,564.59 = 544,882,837.70 : x
  2. Step 2: Convert to fraction form
    1,321,661,803.88/1,982,718,564.59 = 544,882,837.70/x
  3. Step 3: Cross multiply
    1,321,661,803.88x = 1,982,718,564.59 × 544,882,837.70
  4. Step 4: Simplify right side
    1,321,661,803.88x = 1,080,349,317,825,718,656
  5. Step 5: Solve for x
    x = 1,080,349,317,825,718,656/1,321,661,803.88
  6. Step 6: Final answer
    x = 817,417,371.57

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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.