Home / 685,073,137.06-1,027,379,392.17-248,282,391.34

Finding the Fourth Proportional to 685,073,137.06, 1,027,379,392.17 and 248,282,391.34

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Solution

The fourth proportional to 685,073,137.06, 1,027,379,392.17 and 248,282,391.34 is: 372,340,117.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,073,137.06 : 1,027,379,392.17 = 248,282,391.34 : x
  2. Step 2: Convert to fraction form
    685,073,137.06/1,027,379,392.17 = 248,282,391.34/x
  3. Step 3: Cross multiply
    685,073,137.06x = 1,027,379,392.17 × 248,282,391.34
  4. Step 4: Simplify right side
    685,073,137.06x = 255,080,212,301,403,264
  5. Step 5: Solve for x
    x = 255,080,212,301,403,264/685,073,137.06
  6. Step 6: Final answer
    x = 372,340,117.43

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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.