Home / 348,443,786.88-480,858,541.20-189,678,474.36

Finding the Fourth Proportional to 348,443,786.88, 480,858,541.20 and 189,678,474.36

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Solution

The fourth proportional to 348,443,786.88, 480,858,541.20 and 189,678,474.36 is: 261,759,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,443,786.88 : 480,858,541.20 = 189,678,474.36 : x
  2. Step 2: Convert to fraction form
    348,443,786.88/480,858,541.20 = 189,678,474.36/x
  3. Step 3: Cross multiply
    348,443,786.88x = 480,858,541.20 × 189,678,474.36
  4. Step 4: Simplify right side
    348,443,786.88x = 91,208,514,477,791,216
  5. Step 5: Solve for x
    x = 91,208,514,477,791,216/348,443,786.88
  6. Step 6: Final answer
    x = 261,759,623.54

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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.