Home / 331,776,010.40-497,664,015.60-204,197,079.20

Finding the Fourth Proportional to 331,776,010.40, 497,664,015.60 and 204,197,079.20

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Solution

The fourth proportional to 331,776,010.40, 497,664,015.60 and 204,197,079.20 is: 306,295,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,010.40 : 497,664,015.60 = 204,197,079.20 : x
  2. Step 2: Convert to fraction form
    331,776,010.40/497,664,015.60 = 204,197,079.20/x
  3. Step 3: Cross multiply
    331,776,010.40x = 497,664,015.60 × 204,197,079.20
  4. Step 4: Simplify right side
    331,776,010.40x = 101,621,538,408,463,232
  5. Step 5: Solve for x
    x = 101,621,538,408,463,232/331,776,010.40
  6. Step 6: Final answer
    x = 306,295,618.80

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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.