Home / 464,921,247.40-697,467,689-192,313,272.04

Finding the Fourth Proportional to 464,921,247.40, 697,467,689 and 192,313,272.04

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Solution

The fourth proportional to 464,921,247.40, 697,467,689 and 192,313,272.04 is: 288,505,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,921,247.40 : 697,467,689 = 192,313,272.04 : x
  2. Step 2: Convert to fraction form
    464,921,247.40/697,467,689 = 192,313,272.04/x
  3. Step 3: Cross multiply
    464,921,247.40x = 697,467,689 × 192,313,272.04
  4. Step 4: Simplify right side
    464,921,247.40x = 134,132,293,413,767,104
  5. Step 5: Solve for x
    x = 134,132,293,413,767,104/464,921,247.40
  6. Step 6: Final answer
    x = 288,505,406.38

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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.