Home / 472,735,500.62-709,129,112.78-196,414,653.22

Finding the Fourth Proportional to 472,735,500.62, 709,129,112.78 and 196,414,653.22

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Solution

The fourth proportional to 472,735,500.62, 709,129,112.78 and 196,414,653.22 is: 294,632,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,735,500.62 : 709,129,112.78 = 196,414,653.22 : x
  2. Step 2: Convert to fraction form
    472,735,500.62/709,129,112.78 = 196,414,653.22/x
  3. Step 3: Cross multiply
    472,735,500.62x = 709,129,112.78 × 196,414,653.22
  4. Step 4: Simplify right side
    472,735,500.62x = 139,283,348,773,608,192
  5. Step 5: Solve for x
    x = 139,283,348,773,608,192/472,735,500.62
  6. Step 6: Final answer
    x = 294,632,725.05

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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.