Home / 647,948,067.81-894,167,755.86-365,749,907.91

Finding the Fourth Proportional to 647,948,067.81, 894,167,755.86 and 365,749,907.91

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Solution

The fourth proportional to 647,948,067.81, 894,167,755.86 and 365,749,907.91 is: 504,734,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,948,067.81 : 894,167,755.86 = 365,749,907.91 : x
  2. Step 2: Convert to fraction form
    647,948,067.81/894,167,755.86 = 365,749,907.91/x
  3. Step 3: Cross multiply
    647,948,067.81x = 894,167,755.86 × 365,749,907.91
  4. Step 4: Simplify right side
    647,948,067.81x = 327,041,774,361,886,400
  5. Step 5: Solve for x
    x = 327,041,774,361,886,400/647,948,067.81
  6. Step 6: Final answer
    x = 504,734,546.81

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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.