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Finding the Fourth Proportional to 543,017,819.20, 814,526,728.80 and 134,073,969.70

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Solution

The fourth proportional to 543,017,819.20, 814,526,728.80 and 134,073,969.70 is: 201,110,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,017,819.20 : 814,526,728.80 = 134,073,969.70 : x
  2. Step 2: Convert to fraction form
    543,017,819.20/814,526,728.80 = 134,073,969.70/x
  3. Step 3: Cross multiply
    543,017,819.20x = 814,526,728.80 × 134,073,969.70
  4. Step 4: Simplify right side
    543,017,819.20x = 109,206,831,956,971,312
  5. Step 5: Solve for x
    x = 109,206,831,956,971,312/543,017,819.20
  6. Step 6: Final answer
    x = 201,110,954.55

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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.