Home / 405,799,245.56-560,004,034.46-220,160,261.25

Finding the Fourth Proportional to 405,799,245.56, 560,004,034.46 and 220,160,261.25

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Solution

The fourth proportional to 405,799,245.56, 560,004,034.46 and 220,160,261.25 is: 303,821,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,799,245.56 : 560,004,034.46 = 220,160,261.25 : x
  2. Step 2: Convert to fraction form
    405,799,245.56/560,004,034.46 = 220,160,261.25/x
  3. Step 3: Cross multiply
    405,799,245.56x = 560,004,034.46 × 220,160,261.25
  4. Step 4: Simplify right side
    405,799,245.56x = 123,290,634,526,666,816
  5. Step 5: Solve for x
    x = 123,290,634,526,666,816/405,799,245.56
  6. Step 6: Final answer
    x = 303,821,744.06

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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.