Home / 691,731,836.01-1,036,764,114.84-317,723,616.47

Finding the Fourth Proportional to 691,731,836.01, 1,036,764,114.84 and 317,723,616.47

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Solution

The fourth proportional to 691,731,836.01, 1,036,764,114.84 and 317,723,616.47 is: 476,202,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,731,836.01 : 1,036,764,114.84 = 317,723,616.47 : x
  2. Step 2: Convert to fraction form
    691,731,836.01/1,036,764,114.84 = 317,723,616.47/x
  3. Step 3: Cross multiply
    691,731,836.01x = 1,036,764,114.84 × 317,723,616.47
  4. Step 4: Simplify right side
    691,731,836.01x = 329,404,443,993,089,216
  5. Step 5: Solve for x
    x = 329,404,443,993,089,216/691,731,836.01
  6. Step 6: Final answer
    x = 476,202,520.75

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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.