Home / 640,339,938.42-960,566,623.83-180,282,093.54

Finding the Fourth Proportional to 640,339,938.42, 960,566,623.83 and 180,282,093.54

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Solution

The fourth proportional to 640,339,938.42, 960,566,623.83 and 180,282,093.54 is: 270,439,108.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,339,938.42 : 960,566,623.83 = 180,282,093.54 : x
  2. Step 2: Convert to fraction form
    640,339,938.42/960,566,623.83 = 180,282,093.54/x
  3. Step 3: Cross multiply
    640,339,938.42x = 960,566,623.83 × 180,282,093.54
  4. Step 4: Simplify right side
    640,339,938.42x = 173,172,961,928,722,048
  5. Step 5: Solve for x
    x = 173,172,961,928,722,048/640,339,938.42
  6. Step 6: Final answer
    x = 270,439,108.26

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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.