Home / 422,586,448.40-633,879,672.60-291,072,515.60

Finding the Fourth Proportional to 422,586,448.40, 633,879,672.60 and 291,072,515.60

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Solution

The fourth proportional to 422,586,448.40, 633,879,672.60 and 291,072,515.60 is: 436,608,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,586,448.40 : 633,879,672.60 = 291,072,515.60 : x
  2. Step 2: Convert to fraction form
    422,586,448.40/633,879,672.60 = 291,072,515.60/x
  3. Step 3: Cross multiply
    422,586,448.40x = 633,879,672.60 × 291,072,515.60
  4. Step 4: Simplify right side
    422,586,448.40x = 184,504,950,891,386,400
  5. Step 5: Solve for x
    x = 184,504,950,891,386,400/422,586,448.40
  6. Step 6: Final answer
    x = 436,608,773.40

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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.