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Finding the Fourth Proportional to 1,106,339,819.10, 1,659,509,728.65 and 555,341,790.30

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Solution

The fourth proportional to 1,106,339,819.10, 1,659,509,728.65 and 555,341,790.30 is: 833,012,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,339,819.10 : 1,659,509,728.65 = 555,341,790.30 : x
  2. Step 2: Convert to fraction form
    1,106,339,819.10/1,659,509,728.65 = 555,341,790.30/x
  3. Step 3: Cross multiply
    1,106,339,819.10x = 1,659,509,728.65 × 555,341,790.30
  4. Step 4: Simplify right side
    1,106,339,819.10x = 921,595,103,728,758,144
  5. Step 5: Solve for x
    x = 921,595,103,728,758,144/1,106,339,819.10
  6. Step 6: Final answer
    x = 833,012,685.45

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Double scale
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Similar ratio
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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.