Home / 323,656,538.40-485,932,705.20-255,576,103.20

Finding the Fourth Proportional to 323,656,538.40, 485,932,705.20 and 255,576,103.20

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Solution

The fourth proportional to 323,656,538.40, 485,932,705.20 and 255,576,103.20 is: 383,717,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,656,538.40 : 485,932,705.20 = 255,576,103.20 : x
  2. Step 2: Convert to fraction form
    323,656,538.40/485,932,705.20 = 255,576,103.20/x
  3. Step 3: Cross multiply
    323,656,538.40x = 485,932,705.20 × 255,576,103.20
  4. Step 4: Simplify right side
    323,656,538.40x = 124,192,787,212,450,368
  5. Step 5: Solve for x
    x = 124,192,787,212,450,368/323,656,538.40
  6. Step 6: Final answer
    x = 383,717,838.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.