Home / 718,811,455.49-1,078,336,380.67-252,351,817.73

Finding the Fourth Proportional to 718,811,455.49, 1,078,336,380.67 and 252,351,817.73

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Solution

The fourth proportional to 718,811,455.49, 1,078,336,380.67 and 252,351,817.73 is: 378,569,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,811,455.49 : 1,078,336,380.67 = 252,351,817.73 : x
  2. Step 2: Convert to fraction form
    718,811,455.49/1,078,336,380.67 = 252,351,817.73/x
  3. Step 3: Cross multiply
    718,811,455.49x = 1,078,336,380.67 × 252,351,817.73
  4. Step 4: Simplify right side
    718,811,455.49x = 272,120,145,780,441,184
  5. Step 5: Solve for x
    x = 272,120,145,780,441,184/718,811,455.49
  6. Step 6: Final answer
    x = 378,569,573.01

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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.