Home / 314,698,939.20-472,048,408.80-192,254,932.80

Finding the Fourth Proportional to 314,698,939.20, 472,048,408.80 and 192,254,932.80

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Solution

The fourth proportional to 314,698,939.20, 472,048,408.80 and 192,254,932.80 is: 288,382,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,698,939.20 : 472,048,408.80 = 192,254,932.80 : x
  2. Step 2: Convert to fraction form
    314,698,939.20/472,048,408.80 = 192,254,932.80/x
  3. Step 3: Cross multiply
    314,698,939.20x = 472,048,408.80 × 192,254,932.80
  4. Step 4: Simplify right side
    314,698,939.20x = 90,753,635,112,190,944
  5. Step 5: Solve for x
    x = 90,753,635,112,190,944/314,698,939.20
  6. Step 6: Final answer
    x = 288,382,399.20

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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.