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Finding the Fourth Proportional to 366,763,555.80, 550,145,333.70 and 330,483,850.20

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Solution

The fourth proportional to 366,763,555.80, 550,145,333.70 and 330,483,850.20 is: 495,725,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,763,555.80 : 550,145,333.70 = 330,483,850.20 : x
  2. Step 2: Convert to fraction form
    366,763,555.80/550,145,333.70 = 330,483,850.20/x
  3. Step 3: Cross multiply
    366,763,555.80x = 550,145,333.70 × 330,483,850.20
  4. Step 4: Simplify right side
    366,763,555.80x = 181,814,148,050,739,808
  5. Step 5: Solve for x
    x = 181,814,148,050,739,808/366,763,555.80
  6. Step 6: Final answer
    x = 495,725,775.30

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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.