Home / 331,776,342.40-497,664,513.60-228,311,996.80

Finding the Fourth Proportional to 331,776,342.40, 497,664,513.60 and 228,311,996.80

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Solution

The fourth proportional to 331,776,342.40, 497,664,513.60 and 228,311,996.80 is: 342,467,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,342.40 : 497,664,513.60 = 228,311,996.80 : x
  2. Step 2: Convert to fraction form
    331,776,342.40/497,664,513.60 = 228,311,996.80/x
  3. Step 3: Cross multiply
    331,776,342.40x = 497,664,513.60 × 228,311,996.80
  4. Step 4: Simplify right side
    331,776,342.40x = 113,622,778,836,516,768
  5. Step 5: Solve for x
    x = 113,622,778,836,516,768/331,776,342.40
  6. Step 6: Final answer
    x = 342,467,995.20

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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.