Home / 728,065,081.78-1,092,091,035.76-230,075,678.33

Finding the Fourth Proportional to 728,065,081.78, 1,092,091,035.76 and 230,075,678.33

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Solution

The fourth proportional to 728,065,081.78, 1,092,091,035.76 and 230,075,678.33 is: 345,111,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,065,081.78 : 1,092,091,035.76 = 230,075,678.33 : x
  2. Step 2: Convert to fraction form
    728,065,081.78/1,092,091,035.76 = 230,075,678.33/x
  3. Step 3: Cross multiply
    728,065,081.78x = 1,092,091,035.76 × 230,075,678.33
  4. Step 4: Simplify right side
    728,065,081.78x = 251,263,585,850,594,304
  5. Step 5: Solve for x
    x = 251,263,585,850,594,304/728,065,081.78
  6. Step 6: Final answer
    x = 345,111,435.97

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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.