Home / 266,923,057.40-400,384,586.10-209,592,164.60

Finding the Fourth Proportional to 266,923,057.40, 400,384,586.10 and 209,592,164.60

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Solution

The fourth proportional to 266,923,057.40, 400,384,586.10 and 209,592,164.60 is: 314,388,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,923,057.40 : 400,384,586.10 = 209,592,164.60 : x
  2. Step 2: Convert to fraction form
    266,923,057.40/400,384,586.10 = 209,592,164.60/x
  3. Step 3: Cross multiply
    266,923,057.40x = 400,384,586.10 × 209,592,164.60
  4. Step 4: Simplify right side
    266,923,057.40x = 83,917,472,073,174,080
  5. Step 5: Solve for x
    x = 83,917,472,073,174,080/266,923,057.40
  6. Step 6: Final answer
    x = 314,388,246.90

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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.