Home / 1,386,836,500.36-2,080,969,954.36-649,981,264.28

Finding the Fourth Proportional to 1,386,836,500.36, 2,080,969,954.36 and 649,981,264.28

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Solution

The fourth proportional to 1,386,836,500.36, 2,080,969,954.36 and 649,981,264.28 is: 975,307,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,836,500.36 : 2,080,969,954.36 = 649,981,264.28 : x
  2. Step 2: Convert to fraction form
    1,386,836,500.36/2,080,969,954.36 = 649,981,264.28/x
  3. Step 3: Cross multiply
    1,386,836,500.36x = 2,080,969,954.36 × 649,981,264.28
  4. Step 4: Simplify right side
    1,386,836,500.36x = 1,352,591,481,863,606,528
  5. Step 5: Solve for x
    x = 1,352,591,481,863,606,528/1,386,836,500.36
  6. Step 6: Final answer
    x = 975,307,097.49

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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.