Home / 823,479,069.48-1,235,258,330.67-270,769,261.20

Finding the Fourth Proportional to 823,479,069.48, 1,235,258,330.67 and 270,769,261.20

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Solution

The fourth proportional to 823,479,069.48, 1,235,258,330.67 and 270,769,261.20 is: 406,166,954.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,479,069.48 : 1,235,258,330.67 = 270,769,261.20 : x
  2. Step 2: Convert to fraction form
    823,479,069.48/1,235,258,330.67 = 270,769,261.20/x
  3. Step 3: Cross multiply
    823,479,069.48x = 1,235,258,330.67 × 270,769,261.20
  4. Step 4: Simplify right side
    823,479,069.48x = 334,469,985,586,661,184
  5. Step 5: Solve for x
    x = 334,469,985,586,661,184/823,479,069.48
  6. Step 6: Final answer
    x = 406,166,954.31

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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.