Home / 406,131,309.60-609,545,329.20-163,968,007.20

Finding the Fourth Proportional to 406,131,309.60, 609,545,329.20 and 163,968,007.20

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Solution

The fourth proportional to 406,131,309.60, 609,545,329.20 and 163,968,007.20 is: 246,092,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,131,309.60 : 609,545,329.20 = 163,968,007.20 : x
  2. Step 2: Convert to fraction form
    406,131,309.60/609,545,329.20 = 163,968,007.20/x
  3. Step 3: Cross multiply
    406,131,309.60x = 609,545,329.20 × 163,968,007.20
  4. Step 4: Simplify right side
    406,131,309.60x = 99,945,932,926,991,968
  5. Step 5: Solve for x
    x = 99,945,932,926,991,968/406,131,309.60
  6. Step 6: Final answer
    x = 246,092,656.65

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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.