Home / 419,904,176.28-579,466,907.82-234,254,120.28

Finding the Fourth Proportional to 419,904,176.28, 579,466,907.82 and 234,254,120.28

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Solution

The fourth proportional to 419,904,176.28, 579,466,907.82 and 234,254,120.28 is: 323,270,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,176.28 : 579,466,907.82 = 234,254,120.28 : x
  2. Step 2: Convert to fraction form
    419,904,176.28/579,466,907.82 = 234,254,120.28/x
  3. Step 3: Cross multiply
    419,904,176.28x = 579,466,907.82 × 234,254,120.28
  4. Step 4: Simplify right side
    419,904,176.28x = 135,742,510,722,745,968
  5. Step 5: Solve for x
    x = 135,742,510,722,745,968/419,904,176.28
  6. Step 6: Final answer
    x = 323,270,208.75

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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.