Home / 406,296,003.60-609,444,005.40-398,233,846.80

Finding the Fourth Proportional to 406,296,003.60, 609,444,005.40 and 398,233,846.80

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Solution

The fourth proportional to 406,296,003.60, 609,444,005.40 and 398,233,846.80 is: 597,350,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,296,003.60 : 609,444,005.40 = 398,233,846.80 : x
  2. Step 2: Convert to fraction form
    406,296,003.60/609,444,005.40 = 398,233,846.80/x
  3. Step 3: Cross multiply
    406,296,003.60x = 609,444,005.40 × 398,233,846.80
  4. Step 4: Simplify right side
    406,296,003.60x = 242,701,230,679,641,984
  5. Step 5: Solve for x
    x = 242,701,230,679,641,984/406,296,003.60
  6. Step 6: Final answer
    x = 597,350,770.20

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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.