Home / 416,448,777.60-624,673,166.40-212,375,433.60

Finding the Fourth Proportional to 416,448,777.60, 624,673,166.40 and 212,375,433.60

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Solution

The fourth proportional to 416,448,777.60, 624,673,166.40 and 212,375,433.60 is: 318,563,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,448,777.60 : 624,673,166.40 = 212,375,433.60 : x
  2. Step 2: Convert to fraction form
    416,448,777.60/624,673,166.40 = 212,375,433.60/x
  3. Step 3: Cross multiply
    416,448,777.60x = 624,673,166.40 × 212,375,433.60
  4. Step 4: Simplify right side
    416,448,777.60x = 132,665,234,572,484,944
  5. Step 5: Solve for x
    x = 132,665,234,572,484,944/416,448,777.60
  6. Step 6: Final answer
    x = 318,563,150.40

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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.