Home / 407,232,005.60-609,952,213.20-361,845,048.80

Finding the Fourth Proportional to 407,232,005.60, 609,952,213.20 and 361,845,048.80

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Solution

The fourth proportional to 407,232,005.60, 609,952,213.20 and 361,845,048.80 is: 541,971,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,232,005.60 : 609,952,213.20 = 361,845,048.80 : x
  2. Step 2: Convert to fraction form
    407,232,005.60/609,952,213.20 = 361,845,048.80/x
  3. Step 3: Cross multiply
    407,232,005.60x = 609,952,213.20 × 361,845,048.80
  4. Step 4: Simplify right side
    407,232,005.60x = 220,708,188,351,022,016
  5. Step 5: Solve for x
    x = 220,708,188,351,022,016/407,232,005.60
  6. Step 6: Final answer
    x = 541,971,616.46

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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.