Home / 339,749,999.60-509,624,999.40-186,336,777.20

Finding the Fourth Proportional to 339,749,999.60, 509,624,999.40 and 186,336,777.20

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Solution

The fourth proportional to 339,749,999.60, 509,624,999.40 and 186,336,777.20 is: 279,505,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,749,999.60 : 509,624,999.40 = 186,336,777.20 : x
  2. Step 2: Convert to fraction form
    339,749,999.60/509,624,999.40 = 186,336,777.20/x
  3. Step 3: Cross multiply
    339,749,999.60x = 509,624,999.40 × 186,336,777.20
  4. Step 4: Simplify right side
    339,749,999.60x = 94,961,879,968,747,920
  5. Step 5: Solve for x
    x = 94,961,879,968,747,920/339,749,999.60
  6. Step 6: Final answer
    x = 279,505,165.80

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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.