Home / 604,181,380.20-905,421,764.70-447,512,573.40

Finding the Fourth Proportional to 604,181,380.20, 905,421,764.70 and 447,512,573.40

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Solution

The fourth proportional to 604,181,380.20, 905,421,764.70 and 447,512,573.40 is: 670,639,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,181,380.20 : 905,421,764.70 = 447,512,573.40 : x
  2. Step 2: Convert to fraction form
    604,181,380.20/905,421,764.70 = 447,512,573.40/x
  3. Step 3: Cross multiply
    604,181,380.20x = 905,421,764.70 × 447,512,573.40
  4. Step 4: Simplify right side
    604,181,380.20x = 405,187,623,933,266,304
  5. Step 5: Solve for x
    x = 405,187,623,933,266,304/604,181,380.20
  6. Step 6: Final answer
    x = 670,639,045.18

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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.