Home / 231,818,679.20-347,728,018.80-214,300,906.40

Finding the Fourth Proportional to 231,818,679.20, 347,728,018.80 and 214,300,906.40

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Solution

The fourth proportional to 231,818,679.20, 347,728,018.80 and 214,300,906.40 is: 321,451,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,818,679.20 : 347,728,018.80 = 214,300,906.40 : x
  2. Step 2: Convert to fraction form
    231,818,679.20/347,728,018.80 = 214,300,906.40/x
  3. Step 3: Cross multiply
    231,818,679.20x = 347,728,018.80 × 214,300,906.40
  4. Step 4: Simplify right side
    231,818,679.20x = 74,518,429,609,516,240
  5. Step 5: Solve for x
    x = 74,518,429,609,516,240/231,818,679.20
  6. Step 6: Final answer
    x = 321,451,359.60

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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.