Home / 20,189,513,420.45-30,257,199,850.62-15,713,013,544.59

Finding the Fourth Proportional to 20,189,513,420.45, 30,257,199,850.62 and 15,713,013,544.59

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Solution

The fourth proportional to 20,189,513,420.45, 30,257,199,850.62 and 15,713,013,544.59 is: 23,548,452,167.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189,513,420.45 : 30,257,199,850.62 = 15,713,013,544.59 : x
  2. Step 2: Convert to fraction form
    20,189,513,420.45/30,257,199,850.62 = 15,713,013,544.59/x
  3. Step 3: Cross multiply
    20,189,513,420.45x = 30,257,199,850.62 × 15,713,013,544.59
  4. Step 4: Simplify right side
    20,189,513,420.45x = 475,431,791,074,158,575,616
  5. Step 5: Solve for x
    x = 475,431,791,074,158,575,616/20,189,513,420.45
  6. Step 6: Final answer
    x = 23,548,452,167.88

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1.5x scale

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.