Home / 336,807,015.40-505,210,523.10-206,993,693.80

Finding the Fourth Proportional to 336,807,015.40, 505,210,523.10 and 206,993,693.80

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Solution

The fourth proportional to 336,807,015.40, 505,210,523.10 and 206,993,693.80 is: 310,490,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,807,015.40 : 505,210,523.10 = 206,993,693.80 : x
  2. Step 2: Convert to fraction form
    336,807,015.40/505,210,523.10 = 206,993,693.80/x
  3. Step 3: Cross multiply
    336,807,015.40x = 505,210,523.10 × 206,993,693.80
  4. Step 4: Simplify right side
    336,807,015.40x = 104,575,392,323,099,232
  5. Step 5: Solve for x
    x = 104,575,392,323,099,232/336,807,015.40
  6. Step 6: Final answer
    x = 310,490,540.70

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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.