Home / 20,478,192,119.28-30,717,288,186.21-5,756,213,537.28

Finding the Fourth Proportional to 20,478,192,119.28, 30,717,288,186.21 and 5,756,213,537.28

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Solution

The fourth proportional to 20,478,192,119.28, 30,717,288,186.21 and 5,756,213,537.28 is: 8,634,320,307.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,478,192,119.28 : 30,717,288,186.21 = 5,756,213,537.28 : x
  2. Step 2: Convert to fraction form
    20,478,192,119.28/30,717,288,186.21 = 5,756,213,537.28/x
  3. Step 3: Cross multiply
    20,478,192,119.28x = 30,717,288,186.21 × 5,756,213,537.28
  4. Step 4: Simplify right side
    20,478,192,119.28x = 176,815,270,085,993,005,056
  5. Step 5: Solve for x
    x = 176,815,270,085,993,005,056/20,478,192,119.28
  6. Step 6: Final answer
    x = 8,634,320,307.97

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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.