Home / 317,899,814.20-476,471,807.70-285,399,244.60

Finding the Fourth Proportional to 317,899,814.20, 476,471,807.70 and 285,399,244.60

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Solution

The fourth proportional to 317,899,814.20, 476,471,807.70 and 285,399,244.60 is: 427,759,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,899,814.20 : 476,471,807.70 = 285,399,244.60 : x
  2. Step 2: Convert to fraction form
    317,899,814.20/476,471,807.70 = 285,399,244.60/x
  3. Step 3: Cross multiply
    317,899,814.20x = 476,471,807.70 × 285,399,244.60
  4. Step 4: Simplify right side
    317,899,814.20x = 135,984,693,990,776,464
  5. Step 5: Solve for x
    x = 135,984,693,990,776,464/317,899,814.20
  6. Step 6: Final answer
    x = 427,759,589.39

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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.