Home / 388,336,543.70-582,728,764.35-146,173,241.30

Finding the Fourth Proportional to 388,336,543.70, 582,728,764.35 and 146,173,241.30

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Solution

The fourth proportional to 388,336,543.70, 582,728,764.35 and 146,173,241.30 is: 219,344,158.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,336,543.70 : 582,728,764.35 = 146,173,241.30 : x
  2. Step 2: Convert to fraction form
    388,336,543.70/582,728,764.35 = 146,173,241.30/x
  3. Step 3: Cross multiply
    388,336,543.70x = 582,728,764.35 × 146,173,241.30
  4. Step 4: Simplify right side
    388,336,543.70x = 85,179,352,283,783,392
  5. Step 5: Solve for x
    x = 85,179,352,283,783,392/388,336,543.70
  6. Step 6: Final answer
    x = 219,344,158.22

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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.