Home / 403,691,556.04-557,094,560.84-218,052,571.39

Finding the Fourth Proportional to 403,691,556.04, 557,094,560.84 and 218,052,571.39

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Solution

The fourth proportional to 403,691,556.04, 557,094,560.84 and 218,052,571.39 is: 300,912,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,691,556.04 : 557,094,560.84 = 218,052,571.39 : x
  2. Step 2: Convert to fraction form
    403,691,556.04/557,094,560.84 = 218,052,571.39/x
  3. Step 3: Cross multiply
    403,691,556.04x = 557,094,560.84 × 218,052,571.39
  4. Step 4: Simplify right side
    403,691,556.04x = 121,475,901,497,454,528
  5. Step 5: Solve for x
    x = 121,475,901,497,454,528/403,691,556.04
  6. Step 6: Final answer
    x = 300,912,663.84

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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.