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Finding the Fourth Proportional to 606,546,043.80, 909,819,065.70 and 331,047,029.40

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Solution

The fourth proportional to 606,546,043.80, 909,819,065.70 and 331,047,029.40 is: 496,570,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,546,043.80 : 909,819,065.70 = 331,047,029.40 : x
  2. Step 2: Convert to fraction form
    606,546,043.80/909,819,065.70 = 331,047,029.40/x
  3. Step 3: Cross multiply
    606,546,043.80x = 909,819,065.70 × 331,047,029.40
  4. Step 4: Simplify right side
    606,546,043.80x = 301,192,898,991,468,416
  5. Step 5: Solve for x
    x = 301,192,898,991,468,416/606,546,043.80
  6. Step 6: Final answer
    x = 496,570,544.10

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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.