Home / 402,409,243.70-603,613,865.55-329,708,114.90

Finding the Fourth Proportional to 402,409,243.70, 603,613,865.55 and 329,708,114.90

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Solution

The fourth proportional to 402,409,243.70, 603,613,865.55 and 329,708,114.90 is: 494,562,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,409,243.70 : 603,613,865.55 = 329,708,114.90 : x
  2. Step 2: Convert to fraction form
    402,409,243.70/603,613,865.55 = 329,708,114.90/x
  3. Step 3: Cross multiply
    402,409,243.70x = 603,613,865.55 × 329,708,114.90
  4. Step 4: Simplify right side
    402,409,243.70x = 199,016,389,737,992,512
  5. Step 5: Solve for x
    x = 199,016,389,737,992,512/402,409,243.70
  6. Step 6: Final answer
    x = 494,562,172.35

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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.