Home / 348,019,932.88-480,280,134.30-199,369,783.48

Finding the Fourth Proportional to 348,019,932.88, 480,280,134.30 and 199,369,783.48

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Solution

The fourth proportional to 348,019,932.88, 480,280,134.30 and 199,369,783.48 is: 275,137,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,019,932.88 : 480,280,134.30 = 199,369,783.48 : x
  2. Step 2: Convert to fraction form
    348,019,932.88/480,280,134.30 = 199,369,783.48/x
  3. Step 3: Cross multiply
    348,019,932.88x = 480,280,134.30 × 199,369,783.48
  4. Step 4: Simplify right side
    348,019,932.88x = 95,753,346,385,136,320
  5. Step 5: Solve for x
    x = 95,753,346,385,136,320/348,019,932.88
  6. Step 6: Final answer
    x = 275,137,534.77

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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.