Home / 640,339,936.92-960,566,621.58-180,282,092.04

Finding the Fourth Proportional to 640,339,936.92, 960,566,621.58 and 180,282,092.04

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Solution

The fourth proportional to 640,339,936.92, 960,566,621.58 and 180,282,092.04 is: 270,439,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,339,936.92 : 960,566,621.58 = 180,282,092.04 : x
  2. Step 2: Convert to fraction form
    640,339,936.92/960,566,621.58 = 180,282,092.04/x
  3. Step 3: Cross multiply
    640,339,936.92x = 960,566,621.58 × 180,282,092.04
  4. Step 4: Simplify right side
    640,339,936.92x = 173,172,960,082,237,408
  5. Step 5: Solve for x
    x = 173,172,960,082,237,408/640,339,936.92
  6. Step 6: Final answer
    x = 270,439,106.01

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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.