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Finding the Fourth Proportional to 629,857,404.40, 944,786,106.60 and 589,546,620.40

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Solution

The fourth proportional to 629,857,404.40, 944,786,106.60 and 589,546,620.40 is: 884,319,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,404.40 : 944,786,106.60 = 589,546,620.40 : x
  2. Step 2: Convert to fraction form
    629,857,404.40/944,786,106.60 = 589,546,620.40/x
  3. Step 3: Cross multiply
    629,857,404.40x = 944,786,106.60 × 589,546,620.40
  4. Step 4: Simplify right side
    629,857,404.40x = 556,995,456,146,904,128
  5. Step 5: Solve for x
    x = 556,995,456,146,904,128/629,857,404.40
  6. Step 6: Final answer
    x = 884,319,930.60

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Similar ratio
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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.