Home / 288,247,906.14-432,190,172.81-244,543,969.77

Finding the Fourth Proportional to 288,247,906.14, 432,190,172.81 and 244,543,969.77

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Solution

The fourth proportional to 288,247,906.14, 432,190,172.81 and 244,543,969.77 is: 366,661,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,247,906.14 : 432,190,172.81 = 244,543,969.77 : x
  2. Step 2: Convert to fraction form
    288,247,906.14/432,190,172.81 = 244,543,969.77/x
  3. Step 3: Cross multiply
    288,247,906.14x = 432,190,172.81 × 244,543,969.77
  4. Step 4: Simplify right side
    288,247,906.14x = 105,689,500,555,963,600
  5. Step 5: Solve for x
    x = 105,689,500,555,963,600/288,247,906.14
  6. Step 6: Final answer
    x = 366,661,815.42

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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.