Home / 512,486,797.64-768,861,285.26-148,981,153.64

Finding the Fourth Proportional to 512,486,797.64, 768,861,285.26 and 148,981,153.64

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Solution

The fourth proportional to 512,486,797.64, 768,861,285.26 and 148,981,153.64 is: 223,509,838.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,486,797.64 : 768,861,285.26 = 148,981,153.64 : x
  2. Step 2: Convert to fraction form
    512,486,797.64/768,861,285.26 = 148,981,153.64/x
  3. Step 3: Cross multiply
    512,486,797.64x = 768,861,285.26 × 148,981,153.64
  4. Step 4: Simplify right side
    512,486,797.64x = 114,545,841,262,578,704
  5. Step 5: Solve for x
    x = 114,545,841,262,578,704/512,486,797.64
  6. Step 6: Final answer
    x = 223,509,838.28

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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.