Home / 603,757,816.20-905,158,427.40-331,128,583.20

Finding the Fourth Proportional to 603,757,816.20, 905,158,427.40 and 331,128,583.20

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Solution

The fourth proportional to 603,757,816.20, 905,158,427.40 and 331,128,583.20 is: 496,430,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,757,816.20 : 905,158,427.40 = 331,128,583.20 : x
  2. Step 2: Convert to fraction form
    603,757,816.20/905,158,427.40 = 331,128,583.20/x
  3. Step 3: Cross multiply
    603,757,816.20x = 905,158,427.40 × 331,128,583.20
  4. Step 4: Simplify right side
    603,757,816.20x = 299,723,827,636,502,016
  5. Step 5: Solve for x
    x = 299,723,827,636,502,016/603,757,816.20
  6. Step 6: Final answer
    x = 496,430,554.76

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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.