Home / 336,807,712.40-505,211,568.60-311,613,472.40

Finding the Fourth Proportional to 336,807,712.40, 505,211,568.60 and 311,613,472.40

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Solution

The fourth proportional to 336,807,712.40, 505,211,568.60 and 311,613,472.40 is: 467,420,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,807,712.40 : 505,211,568.60 = 311,613,472.40 : x
  2. Step 2: Convert to fraction form
    336,807,712.40/505,211,568.60 = 311,613,472.40/x
  3. Step 3: Cross multiply
    336,807,712.40x = 505,211,568.60 × 311,613,472.40
  4. Step 4: Simplify right side
    336,807,712.40x = 157,430,731,188,096,800
  5. Step 5: Solve for x
    x = 157,430,731,188,096,800/336,807,712.40
  6. Step 6: Final answer
    x = 467,420,208.60

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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.