Home / 1,324,394,095,730.40-1,986,591,141,367-318,238,872,016.78

Finding the Fourth Proportional to 1,324,394,095,730.40, 1,986,591,141,367 and 318,238,872,016.78

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Solution

The fourth proportional to 1,324,394,095,730.40, 1,986,591,141,367 and 318,238,872,016.78 is: 477,358,307,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,394,095,730.40 : 1,986,591,141,367 = 318,238,872,016.78 : x
  2. Step 2: Convert to fraction form
    1,324,394,095,730.40/1,986,591,141,367 = 318,238,872,016.78/x
  3. Step 3: Cross multiply
    1,324,394,095,730.40x = 1,986,591,141,367 × 318,238,872,016.78
  4. Step 4: Simplify right side
    1,324,394,095,730.40x = 632,210,523,987,161,649,250,304
  5. Step 5: Solve for x
    x = 632,210,523,987,161,649,250,304/1,324,394,095,730.40
  6. Step 6: Final answer
    x = 477,358,307,489.66

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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.