Home / 393,441,333.78-590,190,344.13-151,104,237.78

Finding the Fourth Proportional to 393,441,333.78, 590,190,344.13 and 151,104,237.78

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Solution

The fourth proportional to 393,441,333.78, 590,190,344.13 and 151,104,237.78 is: 226,667,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,441,333.78 : 590,190,344.13 = 151,104,237.78 : x
  2. Step 2: Convert to fraction form
    393,441,333.78/590,190,344.13 = 151,104,237.78/x
  3. Step 3: Cross multiply
    393,441,333.78x = 590,190,344.13 × 151,104,237.78
  4. Step 4: Simplify right side
    393,441,333.78x = 89,180,262,094,879,552
  5. Step 5: Solve for x
    x = 89,180,262,094,879,552/393,441,333.78
  6. Step 6: Final answer
    x = 226,667,242.20

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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.