Home / 349,015,534.94-481,641,320.72-192,385,257.61

Finding the Fourth Proportional to 349,015,534.94, 481,641,320.72 and 192,385,257.61

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Solution

The fourth proportional to 349,015,534.94, 481,641,320.72 and 192,385,257.61 is: 265,491,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,015,534.94 : 481,641,320.72 = 192,385,257.61 : x
  2. Step 2: Convert to fraction form
    349,015,534.94/481,641,320.72 = 192,385,257.61/x
  3. Step 3: Cross multiply
    349,015,534.94x = 481,641,320.72 × 192,385,257.61
  4. Step 4: Simplify right side
    349,015,534.94x = 92,660,689,561,614,688
  5. Step 5: Solve for x
    x = 92,660,689,561,614,688/349,015,534.94
  6. Step 6: Final answer
    x = 265,491,590.74

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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.