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Finding the Fourth Proportional to 367,788,689.70, 551,408,456.70 and 222,191,570.40

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Solution

The fourth proportional to 367,788,689.70, 551,408,456.70 and 222,191,570.40 is: 333,121,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,788,689.70 : 551,408,456.70 = 222,191,570.40 : x
  2. Step 2: Convert to fraction form
    367,788,689.70/551,408,456.70 = 222,191,570.40/x
  3. Step 3: Cross multiply
    367,788,689.70x = 551,408,456.70 × 222,191,570.40
  4. Step 4: Simplify right side
    367,788,689.70x = 122,518,310,926,013,408
  5. Step 5: Solve for x
    x = 122,518,310,926,013,408/367,788,689.70
  6. Step 6: Final answer
    x = 333,121,475.34

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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.