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Finding the Fourth Proportional to 633,962,422.46, 874,504,662.15 and 395,393,421.71

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Solution

The fourth proportional to 633,962,422.46, 874,504,662.15 and 395,393,421.71 is: 545,416,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,962,422.46 : 874,504,662.15 = 395,393,421.71 : x
  2. Step 2: Convert to fraction form
    633,962,422.46/874,504,662.15 = 395,393,421.71/x
  3. Step 3: Cross multiply
    633,962,422.46x = 874,504,662.15 × 395,393,421.71
  4. Step 4: Simplify right side
    633,962,422.46x = 345,773,390,668,835,968
  5. Step 5: Solve for x
    x = 345,773,390,668,835,968/633,962,422.46
  6. Step 6: Final answer
    x = 545,416,224.08

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.