Home / 380,280,422.20-524,833,324.32-223,639,958.92

Finding the Fourth Proportional to 380,280,422.20, 524,833,324.32 and 223,639,958.92

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Solution

The fourth proportional to 380,280,422.20, 524,833,324.32 and 223,639,958.92 is: 308,650,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,280,422.20 : 524,833,324.32 = 223,639,958.92 : x
  2. Step 2: Convert to fraction form
    380,280,422.20/524,833,324.32 = 223,639,958.92/x
  3. Step 3: Cross multiply
    380,280,422.20x = 524,833,324.32 × 223,639,958.92
  4. Step 4: Simplify right side
    380,280,422.20x = 117,373,703,090,771,824
  5. Step 5: Solve for x
    x = 117,373,703,090,771,824/380,280,422.20
  6. Step 6: Final answer
    x = 308,650,396.49

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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.