Home / 380,108,512.64-524,549,747.50-206,268,256.64

Finding the Fourth Proportional to 380,108,512.64, 524,549,747.50 and 206,268,256.64

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Solution

The fourth proportional to 380,108,512.64, 524,549,747.50 and 206,268,256.64 is: 284,650,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,108,512.64 : 524,549,747.50 = 206,268,256.64 : x
  2. Step 2: Convert to fraction form
    380,108,512.64/524,549,747.50 = 206,268,256.64/x
  3. Step 3: Cross multiply
    380,108,512.64x = 524,549,747.50 × 206,268,256.64
  4. Step 4: Simplify right side
    380,108,512.64x = 108,197,961,937,777,184
  5. Step 5: Solve for x
    x = 108,197,961,937,777,184/380,108,512.64
  6. Step 6: Final answer
    x = 284,650,194.19

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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.