Home / 1,191,955,979.05-1,645,055,883.66-683,517,663.24

Finding the Fourth Proportional to 1,191,955,979.05, 1,645,055,883.66 and 683,517,663.24

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Solution

The fourth proportional to 1,191,955,979.05, 1,645,055,883.66 and 683,517,663.24 is: 943,344,194.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,955,979.05 : 1,645,055,883.66 = 683,517,663.24 : x
  2. Step 2: Convert to fraction form
    1,191,955,979.05/1,645,055,883.66 = 683,517,663.24/x
  3. Step 3: Cross multiply
    1,191,955,979.05x = 1,645,055,883.66 × 683,517,663.24
  4. Step 4: Simplify right side
    1,191,955,979.05x = 1,124,424,753,494,924,928
  5. Step 5: Solve for x
    x = 1,124,424,753,494,924,928/1,191,955,979.05
  6. Step 6: Final answer
    x = 943,344,194.97

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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.