Home / 472,735,506.63-709,129,121.78-196,414,659.21

Finding the Fourth Proportional to 472,735,506.63, 709,129,121.78 and 196,414,659.21

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Solution

The fourth proportional to 472,735,506.63, 709,129,121.78 and 196,414,659.21 is: 294,632,734.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,735,506.63 : 709,129,121.78 = 196,414,659.21 : x
  2. Step 2: Convert to fraction form
    472,735,506.63/709,129,121.78 = 196,414,659.21/x
  3. Step 3: Cross multiply
    472,735,506.63x = 709,129,121.78 × 196,414,659.21
  4. Step 4: Simplify right side
    472,735,506.63x = 139,283,354,789,323,216
  5. Step 5: Solve for x
    x = 139,283,354,789,323,216/472,735,506.63
  6. Step 6: Final answer
    x = 294,632,734.03

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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.