Home / 512,688,984.60-769,054,472.10-149,183,340.60

Finding the Fourth Proportional to 512,688,984.60, 769,054,472.10 and 149,183,340.60

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Solution

The fourth proportional to 512,688,984.60, 769,054,472.10 and 149,183,340.60 is: 223,781,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,688,984.60 : 769,054,472.10 = 149,183,340.60 : x
  2. Step 2: Convert to fraction form
    512,688,984.60/769,054,472.10 = 149,183,340.60/x
  3. Step 3: Cross multiply
    512,688,984.60x = 769,054,472.10 × 149,183,340.60
  4. Step 4: Simplify right side
    512,688,984.60x = 114,730,115,251,247,504
  5. Step 5: Solve for x
    x = 114,730,115,251,247,504/512,688,984.60
  6. Step 6: Final answer
    x = 223,781,120.13

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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.