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Finding the Fourth Proportional to 604,462,505.30, 905,182,103.55 and 483,530,153.30

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Solution

The fourth proportional to 604,462,505.30, 905,182,103.55 and 483,530,153.30 is: 724,086,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,462,505.30 : 905,182,103.55 = 483,530,153.30 : x
  2. Step 2: Convert to fraction form
    604,462,505.30/905,182,103.55 = 483,530,153.30/x
  3. Step 3: Cross multiply
    604,462,505.30x = 905,182,103.55 × 483,530,153.30
  4. Step 4: Simplify right side
    604,462,505.30x = 437,682,841,293,947,968
  5. Step 5: Solve for x
    x = 437,682,841,293,947,968/604,462,505.30
  6. Step 6: Final answer
    x = 724,086,006.09

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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.