Home / 666,797,349.62-999,808,326.23-252,306,190.25

Finding the Fourth Proportional to 666,797,349.62, 999,808,326.23 and 252,306,190.25

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Solution

The fourth proportional to 666,797,349.62, 999,808,326.23 and 252,306,190.25 is: 378,312,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,797,349.62 : 999,808,326.23 = 252,306,190.25 : x
  2. Step 2: Convert to fraction form
    666,797,349.62/999,808,326.23 = 252,306,190.25/x
  3. Step 3: Cross multiply
    666,797,349.62x = 999,808,326.23 × 252,306,190.25
  4. Step 4: Simplify right side
    666,797,349.62x = 252,257,829,773,504,576
  5. Step 5: Solve for x
    x = 252,257,829,773,504,576/666,797,349.62
  6. Step 6: Final answer
    x = 378,312,586.15

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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.