Home / 840,803,127.12-1,261,067,755.32-295,417,348.56

Finding the Fourth Proportional to 840,803,127.12, 1,261,067,755.32 and 295,417,348.56

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Solution

The fourth proportional to 840,803,127.12, 1,261,067,755.32 and 295,417,348.56 is: 443,077,910.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,803,127.12 : 1,261,067,755.32 = 295,417,348.56 : x
  2. Step 2: Convert to fraction form
    840,803,127.12/1,261,067,755.32 = 295,417,348.56/x
  3. Step 3: Cross multiply
    840,803,127.12x = 1,261,067,755.32 × 295,417,348.56
  4. Step 4: Simplify right side
    840,803,127.12x = 372,541,292,631,145,216
  5. Step 5: Solve for x
    x = 372,541,292,631,145,216/840,803,127.12
  6. Step 6: Final answer
    x = 443,077,910.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.