Home / 728,065,080.78-1,092,091,034.27-230,075,677.33

Finding the Fourth Proportional to 728,065,080.78, 1,092,091,034.27 and 230,075,677.33

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Solution

The fourth proportional to 728,065,080.78, 1,092,091,034.27 and 230,075,677.33 is: 345,111,434.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,065,080.78 : 1,092,091,034.27 = 230,075,677.33 : x
  2. Step 2: Convert to fraction form
    728,065,080.78/1,092,091,034.27 = 230,075,677.33/x
  3. Step 3: Cross multiply
    728,065,080.78x = 1,092,091,034.27 × 230,075,677.33
  4. Step 4: Simplify right side
    728,065,080.78x = 251,263,584,409,079,680
  5. Step 5: Solve for x
    x = 251,263,584,409,079,680/728,065,080.78
  6. Step 6: Final answer
    x = 345,111,434.46

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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.