Home / 512,487,060.80-768,730,591.20-236,137,740.80

Finding the Fourth Proportional to 512,487,060.80, 768,730,591.20 and 236,137,740.80

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Solution

The fourth proportional to 512,487,060.80, 768,730,591.20 and 236,137,740.80 is: 354,206,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,487,060.80 : 768,730,591.20 = 236,137,740.80 : x
  2. Step 2: Convert to fraction form
    512,487,060.80/768,730,591.20 = 236,137,740.80/x
  3. Step 3: Cross multiply
    512,487,060.80x = 768,730,591.20 × 236,137,740.80
  4. Step 4: Simplify right side
    512,487,060.80x = 181,526,305,089,816,384
  5. Step 5: Solve for x
    x = 181,526,305,089,816,384/512,487,060.80
  6. Step 6: Final answer
    x = 354,206,611.20

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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.