Home / 472,392,512.20-708,588,768.30-300,063,910.60

Finding the Fourth Proportional to 472,392,512.20, 708,588,768.30 and 300,063,910.60

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Solution

The fourth proportional to 472,392,512.20, 708,588,768.30 and 300,063,910.60 is: 450,095,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,512.20 : 708,588,768.30 = 300,063,910.60 : x
  2. Step 2: Convert to fraction form
    472,392,512.20/708,588,768.30 = 300,063,910.60/x
  3. Step 3: Cross multiply
    472,392,512.20x = 708,588,768.30 × 300,063,910.60
  4. Step 4: Simplify right side
    472,392,512.20x = 212,621,916,823,335,328
  5. Step 5: Solve for x
    x = 212,621,916,823,335,328/472,392,512.20
  6. Step 6: Final answer
    x = 450,095,865.90

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1.5x scale

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.