Home / 805,816,748.56-1,208,936,354.32-253,096,850.96

Finding the Fourth Proportional to 805,816,748.56, 1,208,936,354.32 and 253,096,850.96

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Solution

The fourth proportional to 805,816,748.56, 1,208,936,354.32 and 253,096,850.96 is: 379,711,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,816,748.56 : 1,208,936,354.32 = 253,096,850.96 : x
  2. Step 2: Convert to fraction form
    805,816,748.56/1,208,936,354.32 = 253,096,850.96/x
  3. Step 3: Cross multiply
    805,816,748.56x = 1,208,936,354.32 × 253,096,850.96
  4. Step 4: Simplify right side
    805,816,748.56x = 305,977,984,289,454,784
  5. Step 5: Solve for x
    x = 305,977,984,289,454,784/805,816,748.56
  6. Step 6: Final answer
    x = 379,711,621.58

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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.