Home / 1,149,552,004.20-1,724,328,006.30-331,690,986.60

Finding the Fourth Proportional to 1,149,552,004.20, 1,724,328,006.30 and 331,690,986.60

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Solution

The fourth proportional to 1,149,552,004.20, 1,724,328,006.30 and 331,690,986.60 is: 497,536,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,552,004.20 : 1,724,328,006.30 = 331,690,986.60 : x
  2. Step 2: Convert to fraction form
    1,149,552,004.20/1,724,328,006.30 = 331,690,986.60/x
  3. Step 3: Cross multiply
    1,149,552,004.20x = 1,724,328,006.30 × 331,690,986.60
  4. Step 4: Simplify right side
    1,149,552,004.20x = 571,944,057,631,658,048
  5. Step 5: Solve for x
    x = 571,944,057,631,658,048/1,149,552,004.20
  6. Step 6: Final answer
    x = 497,536,479.90

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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.