Home / 20,155,536,107.70-30,233,304,161.55-8,523,355,499.70

Finding the Fourth Proportional to 20,155,536,107.70, 30,233,304,161.55 and 8,523,355,499.70

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Solution

The fourth proportional to 20,155,536,107.70, 30,233,304,161.55 and 8,523,355,499.70 is: 12,785,033,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,536,107.70 : 30,233,304,161.55 = 8,523,355,499.70 : x
  2. Step 2: Convert to fraction form
    20,155,536,107.70/30,233,304,161.55 = 8,523,355,499.70/x
  3. Step 3: Cross multiply
    20,155,536,107.70x = 30,233,304,161.55 × 8,523,355,499.70
  4. Step 4: Simplify right side
    20,155,536,107.70x = 257,689,199,299,450,077,184
  5. Step 5: Solve for x
    x = 257,689,199,299,450,077,184/20,155,536,107.70
  6. Step 6: Final answer
    x = 12,785,033,249.55

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Double scale
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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.