Home / 1,800,313,135.59-2,696,975,522.13-1,326,752,133.87

Finding the Fourth Proportional to 1,800,313,135.59, 2,696,975,522.13 and 1,326,752,133.87

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Solution

The fourth proportional to 1,800,313,135.59, 2,696,975,522.13 and 1,326,752,133.87 is: 1,987,553,141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,313,135.59 : 2,696,975,522.13 = 1,326,752,133.87 : x
  2. Step 2: Convert to fraction form
    1,800,313,135.59/2,696,975,522.13 = 1,326,752,133.87/x
  3. Step 3: Cross multiply
    1,800,313,135.59x = 2,696,975,522.13 × 1,326,752,133.87
  4. Step 4: Simplify right side
    1,800,313,135.59x = 3,578,218,028,981,134,848
  5. Step 5: Solve for x
    x = 3,578,218,028,981,134,848/1,800,313,135.59
  6. Step 6: Final answer
    x = 1,987,553,141.86

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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.