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Finding the Fourth Proportional to 604,456,205.80, 905,172,654.30 and 483,523,853.80

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Solution

The fourth proportional to 604,456,205.80, 905,172,654.30 and 483,523,853.80 is: 724,076,559.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,456,205.80 : 905,172,654.30 = 483,523,853.80 : x
  2. Step 2: Convert to fraction form
    604,456,205.80/905,172,654.30 = 483,523,853.80/x
  3. Step 3: Cross multiply
    604,456,205.80x = 905,172,654.30 × 483,523,853.80
  4. Step 4: Simplify right side
    604,456,205.80x = 437,672,570,161,511,104
  5. Step 5: Solve for x
    x = 437,672,570,161,511,104/604,456,205.80
  6. Step 6: Final answer
    x = 724,076,559.99

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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.