Home / 28,177,096,114.56-42,277,229,805.12-12,447,619,178.88

Finding the Fourth Proportional to 28,177,096,114.56, 42,277,229,805.12 and 12,447,619,178.88

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Solution

The fourth proportional to 28,177,096,114.56, 42,277,229,805.12 and 12,447,619,178.88 is: 18,676,546,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177,096,114.56 : 42,277,229,805.12 = 12,447,619,178.88 : x
  2. Step 2: Convert to fraction form
    28,177,096,114.56/42,277,229,805.12 = 12,447,619,178.88/x
  3. Step 3: Cross multiply
    28,177,096,114.56x = 42,277,229,805.12 × 12,447,619,178.88
  4. Step 4: Simplify right side
    28,177,096,114.56x = 526,250,856,552,128,905,216
  5. Step 5: Solve for x
    x = 526,250,856,552,128,905,216/28,177,096,114.56
  6. Step 6: Final answer
    x = 18,676,546,880.93

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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.