Home / 437,223,684-603,368,172.60-238,986,480.72

Finding the Fourth Proportional to 437,223,684, 603,368,172.60 and 238,986,480.72

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Solution

The fourth proportional to 437,223,684, 603,368,172.60 and 238,986,480.72 is: 329,801,063.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,223,684 : 603,368,172.60 = 238,986,480.72 : x
  2. Step 2: Convert to fraction form
    437,223,684/603,368,172.60 = 238,986,480.72/x
  3. Step 3: Cross multiply
    437,223,684x = 603,368,172.60 × 238,986,480.72
  4. Step 4: Simplify right side
    437,223,684x = 144,196,836,148,131,552
  5. Step 5: Solve for x
    x = 144,196,836,148,131,552/437,223,684
  6. Step 6: Final answer
    x = 329,801,063.91

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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.