Home / 396,473,233.51-593,436,385.68-211,778,889.22

Finding the Fourth Proportional to 396,473,233.51, 593,436,385.68 and 211,778,889.22

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Solution

The fourth proportional to 396,473,233.51, 593,436,385.68 and 211,778,889.22 is: 316,988,104.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,473,233.51 : 593,436,385.68 = 211,778,889.22 : x
  2. Step 2: Convert to fraction form
    396,473,233.51/593,436,385.68 = 211,778,889.22/x
  3. Step 3: Cross multiply
    396,473,233.51x = 593,436,385.68 × 211,778,889.22
  4. Step 4: Simplify right side
    396,473,233.51x = 125,677,298,582,041,904
  5. Step 5: Solve for x
    x = 125,677,298,582,041,904/396,473,233.51
  6. Step 6: Final answer
    x = 316,988,104.01

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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.