Home / 380,128,333.44-524,577,078.72-206,288,077.44

Finding the Fourth Proportional to 380,128,333.44, 524,577,078.72 and 206,288,077.44

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Solution

The fourth proportional to 380,128,333.44, 524,577,078.72 and 206,288,077.44 is: 284,677,535.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,128,333.44 : 524,577,078.72 = 206,288,077.44 : x
  2. Step 2: Convert to fraction form
    380,128,333.44/524,577,078.72 = 206,288,077.44/x
  3. Step 3: Cross multiply
    380,128,333.44x = 524,577,078.72 × 206,288,077.44
  4. Step 4: Simplify right side
    380,128,333.44x = 108,213,997,038,240,336
  5. Step 5: Solve for x
    x = 108,213,997,038,240,336/380,128,333.44
  6. Step 6: Final answer
    x = 284,677,535.24

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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.