Home / 20,223,727,794.70-30,335,591,692.05-12,387,311,385.10

Finding the Fourth Proportional to 20,223,727,794.70, 30,335,591,692.05 and 12,387,311,385.10

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Solution

The fourth proportional to 20,223,727,794.70, 30,335,591,692.05 and 12,387,311,385.10 is: 18,580,967,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,727,794.70 : 30,335,591,692.05 = 12,387,311,385.10 : x
  2. Step 2: Convert to fraction form
    20,223,727,794.70/30,335,591,692.05 = 12,387,311,385.10/x
  3. Step 3: Cross multiply
    20,223,727,794.70x = 30,335,591,692.05 × 12,387,311,385.10
  4. Step 4: Simplify right side
    20,223,727,794.70x = 375,776,420,340,675,969,024
  5. Step 5: Solve for x
    x = 375,776,420,340,675,969,024/20,223,727,794.70
  6. Step 6: Final answer
    x = 18,580,967,077.65

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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.