Home / 21,923,358,918.86-30,250,779,557.92-12,769,394,292.80

Finding the Fourth Proportional to 21,923,358,918.86, 30,250,779,557.92 and 12,769,394,292.80

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Solution

The fourth proportional to 21,923,358,918.86, 30,250,779,557.92 and 12,769,394,292.80 is: 17,619,751,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,358,918.86 : 30,250,779,557.92 = 12,769,394,292.80 : x
  2. Step 2: Convert to fraction form
    21,923,358,918.86/30,250,779,557.92 = 12,769,394,292.80/x
  3. Step 3: Cross multiply
    21,923,358,918.86x = 30,250,779,557.92 × 12,769,394,292.80
  4. Step 4: Simplify right side
    21,923,358,918.86x = 386,284,131,839,654,494,208
  5. Step 5: Solve for x
    x = 386,284,131,839,654,494,208/21,923,358,918.86
  6. Step 6: Final answer
    x = 17,619,751,301.31

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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.