Home / 20,194,889,723.70-30,292,334,585.55-11,826,607,161.30

Finding the Fourth Proportional to 20,194,889,723.70, 30,292,334,585.55 and 11,826,607,161.30

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Solution

The fourth proportional to 20,194,889,723.70, 30,292,334,585.55 and 11,826,607,161.30 is: 17,739,910,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,889,723.70 : 30,292,334,585.55 = 11,826,607,161.30 : x
  2. Step 2: Convert to fraction form
    20,194,889,723.70/30,292,334,585.55 = 11,826,607,161.30/x
  3. Step 3: Cross multiply
    20,194,889,723.70x = 30,292,334,585.55 × 11,826,607,161.30
  4. Step 4: Simplify right side
    20,194,889,723.70x = 358,255,541,141,961,244,672
  5. Step 5: Solve for x
    x = 358,255,541,141,961,244,672/20,194,889,723.70
  6. Step 6: Final answer
    x = 17,739,910,741.95

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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.