Home / 51,314,278,197.48-76,872,133,930.42-28,861,807,958.88

Finding the Fourth Proportional to 51,314,278,197.48, 76,872,133,930.42 and 28,861,807,958.88

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Solution

The fourth proportional to 51,314,278,197.48, 76,872,133,930.42 and 28,861,807,958.88 is: 43,236,869,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,314,278,197.48 : 76,872,133,930.42 = 28,861,807,958.88 : x
  2. Step 2: Convert to fraction form
    51,314,278,197.48/76,872,133,930.42 = 28,861,807,958.88/x
  3. Step 3: Cross multiply
    51,314,278,197.48x = 76,872,133,930.42 × 28,861,807,958.88
  4. Step 4: Simplify right side
    51,314,278,197.48x = 2,218,668,766,889,085,239,296
  5. Step 5: Solve for x
    x = 2,218,668,766,889,085,239,296/51,314,278,197.48
  6. Step 6: Final answer
    x = 43,236,869,830.86

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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.