Home / 845,214,821-1,165,902,290.34-531,452,287.88

Finding the Fourth Proportional to 845,214,821, 1,165,902,290.34 and 531,452,287.88

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Solution

The fourth proportional to 845,214,821, 1,165,902,290.34 and 531,452,287.88 is: 733,093,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,214,821 : 1,165,902,290.34 = 531,452,287.88 : x
  2. Step 2: Convert to fraction form
    845,214,821/1,165,902,290.34 = 531,452,287.88/x
  3. Step 3: Cross multiply
    845,214,821x = 1,165,902,290.34 × 531,452,287.88
  4. Step 4: Simplify right side
    845,214,821x = 619,621,439,645,724,928
  5. Step 5: Solve for x
    x = 619,621,439,645,724,928/845,214,821
  6. Step 6: Final answer
    x = 733,093,438.79

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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.