Home / 512,689,047.60-769,054,566.60-149,183,403.60

Finding the Fourth Proportional to 512,689,047.60, 769,054,566.60 and 149,183,403.60

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Solution

The fourth proportional to 512,689,047.60, 769,054,566.60 and 149,183,403.60 is: 223,781,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,689,047.60 : 769,054,566.60 = 149,183,403.60 : x
  2. Step 2: Convert to fraction form
    512,689,047.60/769,054,566.60 = 149,183,403.60/x
  3. Step 3: Cross multiply
    512,689,047.60x = 769,054,566.60 × 149,183,403.60
  4. Step 4: Simplify right side
    512,689,047.60x = 114,730,177,799,510,880
  5. Step 5: Solve for x
    x = 114,730,177,799,510,880/512,689,047.60
  6. Step 6: Final answer
    x = 223,781,214.63

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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.