Home / 682,973,517.12-1,024,456,849.32-165,403,943.76

Finding the Fourth Proportional to 682,973,517.12, 1,024,456,849.32 and 165,403,943.76

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Solution

The fourth proportional to 682,973,517.12, 1,024,456,849.32 and 165,403,943.76 is: 248,105,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,973,517.12 : 1,024,456,849.32 = 165,403,943.76 : x
  2. Step 2: Convert to fraction form
    682,973,517.12/1,024,456,849.32 = 165,403,943.76/x
  3. Step 3: Cross multiply
    682,973,517.12x = 1,024,456,849.32 × 165,403,943.76
  4. Step 4: Simplify right side
    682,973,517.12x = 169,449,203,089,472,064
  5. Step 5: Solve for x
    x = 169,449,203,089,472,064/682,973,517.12
  6. Step 6: Final answer
    x = 248,105,085.84

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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.