Home / 350,822,505.28-484,124,142.72-202,143,933.76

Finding the Fourth Proportional to 350,822,505.28, 484,124,142.72 and 202,143,933.76

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Solution

The fourth proportional to 350,822,505.28, 484,124,142.72 and 202,143,933.76 is: 278,952,339.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,822,505.28 : 484,124,142.72 = 202,143,933.76 : x
  2. Step 2: Convert to fraction form
    350,822,505.28/484,124,142.72 = 202,143,933.76/x
  3. Step 3: Cross multiply
    350,822,505.28x = 484,124,142.72 × 202,143,933.76
  4. Step 4: Simplify right side
    350,822,505.28x = 97,862,758,637,608,464
  5. Step 5: Solve for x
    x = 97,862,758,637,608,464/350,822,505.28
  6. Step 6: Final answer
    x = 278,952,339.62

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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.