Home / 1,144,680,059.20-1,717,244,037.60-489,629,819.20

Finding the Fourth Proportional to 1,144,680,059.20, 1,717,244,037.60 and 489,629,819.20

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Solution

The fourth proportional to 1,144,680,059.20, 1,717,244,037.60 and 489,629,819.20 is: 734,540,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,680,059.20 : 1,717,244,037.60 = 489,629,819.20 : x
  2. Step 2: Convert to fraction form
    1,144,680,059.20/1,717,244,037.60 = 489,629,819.20/x
  3. Step 3: Cross multiply
    1,144,680,059.20x = 1,717,244,037.60 × 489,629,819.20
  4. Step 4: Simplify right side
    1,144,680,059.20x = 840,813,887,652,365,952
  5. Step 5: Solve for x
    x = 840,813,887,652,365,952/1,144,680,059.20
  6. Step 6: Final answer
    x = 734,540,521.51

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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.