Home / 322,472,675.70-483,629,290.44-138,219,256.50

Finding the Fourth Proportional to 322,472,675.70, 483,629,290.44 and 138,219,256.50

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Solution

The fourth proportional to 322,472,675.70, 483,629,290.44 and 138,219,256.50 is: 207,294,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,472,675.70 : 483,629,290.44 = 138,219,256.50 : x
  2. Step 2: Convert to fraction form
    322,472,675.70/483,629,290.44 = 138,219,256.50/x
  3. Step 3: Cross multiply
    322,472,675.70x = 483,629,290.44 × 138,219,256.50
  4. Step 4: Simplify right side
    322,472,675.70x = 66,846,880,946,239,360
  5. Step 5: Solve for x
    x = 66,846,880,946,239,360/322,472,675.70
  6. Step 6: Final answer
    x = 207,294,713.58

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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.