Home / 348,019,943.94-480,280,149.54-199,369,794.42

Finding the Fourth Proportional to 348,019,943.94, 480,280,149.54 and 199,369,794.42

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Solution

The fourth proportional to 348,019,943.94, 480,280,149.54 and 199,369,794.42 is: 275,137,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,019,943.94 : 480,280,149.54 = 199,369,794.42 : x
  2. Step 2: Convert to fraction form
    348,019,943.94/480,280,149.54 = 199,369,794.42/x
  3. Step 3: Cross multiply
    348,019,943.94x = 480,280,149.54 × 199,369,794.42
  4. Step 4: Simplify right side
    348,019,943.94x = 95,753,354,677,796,656
  5. Step 5: Solve for x
    x = 95,753,354,677,796,656/348,019,943.94
  6. Step 6: Final answer
    x = 275,137,549.86

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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.