Home / 1,917,451,001.33-2,647,909,877.90-1,812,989,463.69

Finding the Fourth Proportional to 1,917,451,001.33, 2,647,909,877.90 and 1,812,989,463.69

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Solution

The fourth proportional to 1,917,451,001.33, 2,647,909,877.90 and 1,812,989,463.69 is: 2,503,653,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,451,001.33 : 2,647,909,877.90 = 1,812,989,463.69 : x
  2. Step 2: Convert to fraction form
    1,917,451,001.33/2,647,909,877.90 = 1,812,989,463.69/x
  3. Step 3: Cross multiply
    1,917,451,001.33x = 2,647,909,877.90 × 1,812,989,463.69
  4. Step 4: Simplify right side
    1,917,451,001.33x = 4,800,632,709,434,371,072
  5. Step 5: Solve for x
    x = 4,800,632,709,434,371,072/1,917,451,001.33
  6. Step 6: Final answer
    x = 2,503,653,395.11

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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.