Home / 525,672,723.60-787,889,858.21-214,586,057.88

Finding the Fourth Proportional to 525,672,723.60, 787,889,858.21 and 214,586,057.88

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Solution

The fourth proportional to 525,672,723.60, 787,889,858.21 and 214,586,057.88 is: 321,626,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,672,723.60 : 787,889,858.21 = 214,586,057.88 : x
  2. Step 2: Convert to fraction form
    525,672,723.60/787,889,858.21 = 214,586,057.88/x
  3. Step 3: Cross multiply
    525,672,723.60x = 787,889,858.21 × 214,586,057.88
  4. Step 4: Simplify right side
    525,672,723.60x = 169,070,178,715,843,136
  5. Step 5: Solve for x
    x = 169,070,178,715,843,136/525,672,723.60
  6. Step 6: Final answer
    x = 321,626,310.68

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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.