Home / 378,330,088.47-522,131,459.31-237,223,645.62

Finding the Fourth Proportional to 378,330,088.47, 522,131,459.31 and 237,223,645.62

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Solution

The fourth proportional to 378,330,088.47, 522,131,459.31 and 237,223,645.62 is: 327,391,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,330,088.47 : 522,131,459.31 = 237,223,645.62 : x
  2. Step 2: Convert to fraction form
    378,330,088.47/522,131,459.31 = 237,223,645.62/x
  3. Step 3: Cross multiply
    378,330,088.47x = 522,131,459.31 × 237,223,645.62
  4. Step 4: Simplify right side
    378,330,088.47x = 123,861,928,270,408,896
  5. Step 5: Solve for x
    x = 123,861,928,270,408,896/378,330,088.47
  6. Step 6: Final answer
    x = 327,391,164.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.