Home / 373,784,135.76-515,819,074.32-206,519,868

Finding the Fourth Proportional to 373,784,135.76, 515,819,074.32 and 206,519,868

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Solution

The fourth proportional to 373,784,135.76, 515,819,074.32 and 206,519,868 is: 284,995,742.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,784,135.76 : 515,819,074.32 = 206,519,868 : x
  2. Step 2: Convert to fraction form
    373,784,135.76/515,819,074.32 = 206,519,868/x
  3. Step 3: Cross multiply
    373,784,135.76x = 515,819,074.32 × 206,519,868
  4. Step 4: Simplify right side
    373,784,135.76x = 106,526,887,140,448,592
  5. Step 5: Solve for x
    x = 106,526,887,140,448,592/373,784,135.76
  6. Step 6: Final answer
    x = 284,995,742.06

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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.