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Finding the Fourth Proportional to 488,361,614.40, 732,542,421.60 and 333,393,418.80

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Solution

The fourth proportional to 488,361,614.40, 732,542,421.60 and 333,393,418.80 is: 500,090,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,361,614.40 : 732,542,421.60 = 333,393,418.80 : x
  2. Step 2: Convert to fraction form
    488,361,614.40/732,542,421.60 = 333,393,418.80/x
  3. Step 3: Cross multiply
    488,361,614.40x = 732,542,421.60 × 333,393,418.80
  4. Step 4: Simplify right side
    488,361,614.40x = 244,224,822,353,254,976
  5. Step 5: Solve for x
    x = 244,224,822,353,254,976/488,361,614.40
  6. Step 6: Final answer
    x = 500,090,128.20

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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.