Home / 311,630,415.10-467,445,622.65-299,726,136.70

Finding the Fourth Proportional to 311,630,415.10, 467,445,622.65 and 299,726,136.70

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Solution

The fourth proportional to 311,630,415.10, 467,445,622.65 and 299,726,136.70 is: 449,589,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,630,415.10 : 467,445,622.65 = 299,726,136.70 : x
  2. Step 2: Convert to fraction form
    311,630,415.10/467,445,622.65 = 299,726,136.70/x
  3. Step 3: Cross multiply
    311,630,415.10x = 467,445,622.65 × 299,726,136.70
  4. Step 4: Simplify right side
    311,630,415.10x = 140,105,670,594,210,496
  5. Step 5: Solve for x
    x = 140,105,670,594,210,496/311,630,415.10
  6. Step 6: Final answer
    x = 449,589,205.05

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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.