Home / 2,155,553,631.14-3,233,308,891.51-681,693,691.21

Finding the Fourth Proportional to 2,155,553,631.14, 3,233,308,891.51 and 681,693,691.21

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Solution

The fourth proportional to 2,155,553,631.14, 3,233,308,891.51 and 681,693,691.21 is: 1,022,533,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,553,631.14 : 3,233,308,891.51 = 681,693,691.21 : x
  2. Step 2: Convert to fraction form
    2,155,553,631.14/3,233,308,891.51 = 681,693,691.21/x
  3. Step 3: Cross multiply
    2,155,553,631.14x = 3,233,308,891.51 × 681,693,691.21
  4. Step 4: Simplify right side
    2,155,553,631.14x = 2,204,126,273,068,368,384
  5. Step 5: Solve for x
    x = 2,204,126,273,068,368,384/2,155,553,631.14
  6. Step 6: Final answer
    x = 1,022,533,719.98

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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.