Home / 373,685,682.12-515,676,250.31-206,418,343.32

Finding the Fourth Proportional to 373,685,682.12, 515,676,250.31 and 206,418,343.32

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Solution

The fourth proportional to 373,685,682.12, 515,676,250.31 and 206,418,343.32 is: 284,851,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,685,682.12 : 515,676,250.31 = 206,418,343.32 : x
  2. Step 2: Convert to fraction form
    373,685,682.12/515,676,250.31 = 206,418,343.32/x
  3. Step 3: Cross multiply
    373,685,682.12x = 515,676,250.31 × 206,418,343.32
  4. Step 4: Simplify right side
    373,685,682.12x = 106,445,037,277,427,744
  5. Step 5: Solve for x
    x = 106,445,037,277,427,744/373,685,682.12
  6. Step 6: Final answer
    x = 284,851,794.90

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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.