Home / 12,109,688,034.20-18,164,532,051.30-7,436,408,456.60

Finding the Fourth Proportional to 12,109,688,034.20, 18,164,532,051.30 and 7,436,408,456.60

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Solution

The fourth proportional to 12,109,688,034.20, 18,164,532,051.30 and 7,436,408,456.60 is: 11,154,612,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,688,034.20 : 18,164,532,051.30 = 7,436,408,456.60 : x
  2. Step 2: Convert to fraction form
    12,109,688,034.20/18,164,532,051.30 = 7,436,408,456.60/x
  3. Step 3: Cross multiply
    12,109,688,034.20x = 18,164,532,051.30 × 7,436,408,456.60
  4. Step 4: Simplify right side
    12,109,688,034.20x = 135,078,879,756,469,059,584
  5. Step 5: Solve for x
    x = 135,078,879,756,469,059,584/12,109,688,034.20
  6. Step 6: Final answer
    x = 11,154,612,684.90

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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.