Home / 422,586,450.40-633,879,675.60-291,072,517.60

Finding the Fourth Proportional to 422,586,450.40, 633,879,675.60 and 291,072,517.60

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Solution

The fourth proportional to 422,586,450.40, 633,879,675.60 and 291,072,517.60 is: 436,608,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,586,450.40 : 633,879,675.60 = 291,072,517.60 : x
  2. Step 2: Convert to fraction form
    422,586,450.40/633,879,675.60 = 291,072,517.60/x
  3. Step 3: Cross multiply
    422,586,450.40x = 633,879,675.60 × 291,072,517.60
  4. Step 4: Simplify right side
    422,586,450.40x = 184,504,953,032,363,328
  5. Step 5: Solve for x
    x = 184,504,953,032,363,328/422,586,450.40
  6. Step 6: Final answer
    x = 436,608,776.40

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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.