Home / 338,112,052.80-507,504,002.40-165,783,451.20

Finding the Fourth Proportional to 338,112,052.80, 507,504,002.40 and 165,783,451.20

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Solution

The fourth proportional to 338,112,052.80, 507,504,002.40 and 165,783,451.20 is: 248,839,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,112,052.80 : 507,504,002.40 = 165,783,451.20 : x
  2. Step 2: Convert to fraction form
    338,112,052.80/507,504,002.40 = 165,783,451.20/x
  3. Step 3: Cross multiply
    338,112,052.80x = 507,504,002.40 × 165,783,451.20
  4. Step 4: Simplify right side
    338,112,052.80x = 84,135,765,015,685,072
  5. Step 5: Solve for x
    x = 84,135,765,015,685,072/338,112,052.80
  6. Step 6: Final answer
    x = 248,839,887.01

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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.