Home / 314,930,820.30-472,396,230.45-228,199,649.10

Finding the Fourth Proportional to 314,930,820.30, 472,396,230.45 and 228,199,649.10

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Solution

The fourth proportional to 314,930,820.30, 472,396,230.45 and 228,199,649.10 is: 342,299,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,820.30 : 472,396,230.45 = 228,199,649.10 : x
  2. Step 2: Convert to fraction form
    314,930,820.30/472,396,230.45 = 228,199,649.10/x
  3. Step 3: Cross multiply
    314,930,820.30x = 472,396,230.45 × 228,199,649.10
  4. Step 4: Simplify right side
    314,930,820.30x = 107,800,654,024,852,736
  5. Step 5: Solve for x
    x = 107,800,654,024,852,736/314,930,820.30
  6. Step 6: Final answer
    x = 342,299,473.65

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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.