Home / 406,089,740.80-560,410,659.13-220,450,755.88

Finding the Fourth Proportional to 406,089,740.80, 560,410,659.13 and 220,450,755.88

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Solution

The fourth proportional to 406,089,740.80, 560,410,659.13 and 220,450,755.88 is: 304,225,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,089,740.80 : 560,410,659.13 = 220,450,755.88 : x
  2. Step 2: Convert to fraction form
    406,089,740.80/560,410,659.13 = 220,450,755.88/x
  3. Step 3: Cross multiply
    406,089,740.80x = 560,410,659.13 × 220,450,755.88
  4. Step 4: Simplify right side
    406,089,740.80x = 123,542,953,405,615,472
  5. Step 5: Solve for x
    x = 123,542,953,405,615,472/406,089,740.80
  6. Step 6: Final answer
    x = 304,225,743.71

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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.