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Finding the Fourth Proportional to 599,924,818.88, 899,701,138.92 and 211,656,852.80

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Solution

The fourth proportional to 599,924,818.88, 899,701,138.92 and 211,656,852.80 is: 317,419,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,924,818.88 : 899,701,138.92 = 211,656,852.80 : x
  2. Step 2: Convert to fraction form
    599,924,818.88/899,701,138.92 = 211,656,852.80/x
  3. Step 3: Cross multiply
    599,924,818.88x = 899,701,138.92 × 211,656,852.80
  4. Step 4: Simplify right side
    599,924,818.88x = 190,427,911,524,382,784
  5. Step 5: Solve for x
    x = 190,427,911,524,382,784/599,924,818.88
  6. Step 6: Final answer
    x = 317,419,625.81

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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.