Home / 408,815,513.70-613,223,270.55-236,628,629.70

Finding the Fourth Proportional to 408,815,513.70, 613,223,270.55 and 236,628,629.70

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Solution

The fourth proportional to 408,815,513.70, 613,223,270.55 and 236,628,629.70 is: 354,942,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,815,513.70 : 613,223,270.55 = 236,628,629.70 : x
  2. Step 2: Convert to fraction form
    408,815,513.70/613,223,270.55 = 236,628,629.70/x
  3. Step 3: Cross multiply
    408,815,513.70x = 613,223,270.55 × 236,628,629.70
  4. Step 4: Simplify right side
    408,815,513.70x = 145,106,182,210,398,848
  5. Step 5: Solve for x
    x = 145,106,182,210,398,848/408,815,513.70
  6. Step 6: Final answer
    x = 354,942,944.55

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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.