Home / 320,610,642,853.50-442,593,322,960.94-185,253,640,520.22

Finding the Fourth Proportional to 320,610,642,853.50, 442,593,322,960.94 and 185,253,640,520.22

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Solution

The fourth proportional to 320,610,642,853.50, 442,593,322,960.94 and 185,253,640,520.22 is: 255,737,063,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,610,642,853.50 : 442,593,322,960.94 = 185,253,640,520.22 : x
  2. Step 2: Convert to fraction form
    320,610,642,853.50/442,593,322,960.94 = 185,253,640,520.22/x
  3. Step 3: Cross multiply
    320,610,642,853.50x = 442,593,322,960.94 × 185,253,640,520.22
  4. Step 4: Simplify right side
    320,610,642,853.50x = 81,992,024,348,455,616,905,216
  5. Step 5: Solve for x
    x = 81,992,024,348,455,616,905,216/320,610,642,853.50
  6. Step 6: Final answer
    x = 255,737,063,556.94

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1.5x scale

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.