Home / 19,157,040,397.80-28,735,560,596.70-11,320,623,988.20

Finding the Fourth Proportional to 19,157,040,397.80, 28,735,560,596.70 and 11,320,623,988.20

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Solution

The fourth proportional to 19,157,040,397.80, 28,735,560,596.70 and 11,320,623,988.20 is: 16,980,935,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,040,397.80 : 28,735,560,596.70 = 11,320,623,988.20 : x
  2. Step 2: Convert to fraction form
    19,157,040,397.80/28,735,560,596.70 = 11,320,623,988.20/x
  3. Step 3: Cross multiply
    19,157,040,397.80x = 28,735,560,596.70 × 11,320,623,988.20
  4. Step 4: Simplify right side
    19,157,040,397.80x = 325,304,476,605,376,757,760
  5. Step 5: Solve for x
    x = 325,304,476,605,376,757,760/19,157,040,397.80
  6. Step 6: Final answer
    x = 16,980,935,982.30

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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.