Home / 324,771,130.10-487,156,695.15-221,458,999.70

Finding the Fourth Proportional to 324,771,130.10, 487,156,695.15 and 221,458,999.70

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Solution

The fourth proportional to 324,771,130.10, 487,156,695.15 and 221,458,999.70 is: 332,188,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,771,130.10 : 487,156,695.15 = 221,458,999.70 : x
  2. Step 2: Convert to fraction form
    324,771,130.10/487,156,695.15 = 221,458,999.70/x
  3. Step 3: Cross multiply
    324,771,130.10x = 487,156,695.15 × 221,458,999.70
  4. Step 4: Simplify right side
    324,771,130.10x = 107,885,234,405,076,832
  5. Step 5: Solve for x
    x = 107,885,234,405,076,832/324,771,130.10
  6. Step 6: Final answer
    x = 332,188,499.55

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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.