Home / 381,548,101.26-526,650,561.84-222,821,040

Finding the Fourth Proportional to 381,548,101.26, 526,650,561.84 and 222,821,040

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Solution

The fourth proportional to 381,548,101.26, 526,650,561.84 and 222,821,040 is: 307,559,716.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,548,101.26 : 526,650,561.84 = 222,821,040 : x
  2. Step 2: Convert to fraction form
    381,548,101.26/526,650,561.84 = 222,821,040/x
  3. Step 3: Cross multiply
    381,548,101.26x = 526,650,561.84 × 222,821,040
  4. Step 4: Simplify right side
    381,548,101.26x = 117,348,825,905,773,104
  5. Step 5: Solve for x
    x = 117,348,825,905,773,104/381,548,101.26
  6. Step 6: Final answer
    x = 307,559,716.63

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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.