Home / 406,010,879.25-560,280,010.34-220,367,909.13

Finding the Fourth Proportional to 406,010,879.25, 560,280,010.34 and 220,367,909.13

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Solution

The fourth proportional to 406,010,879.25, 560,280,010.34 and 220,367,909.13 is: 304,099,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,010,879.25 : 560,280,010.34 = 220,367,909.13 : x
  2. Step 2: Convert to fraction form
    406,010,879.25/560,280,010.34 = 220,367,909.13/x
  3. Step 3: Cross multiply
    406,010,879.25x = 560,280,010.34 × 220,367,909.13
  4. Step 4: Simplify right side
    406,010,879.25x = 123,467,734,404,858,752
  5. Step 5: Solve for x
    x = 123,467,734,404,858,752/406,010,879.25
  6. Step 6: Final answer
    x = 304,099,571.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.