Home / 339,781,137.10-468,632,330.88-220,742,083.49

Finding the Fourth Proportional to 339,781,137.10, 468,632,330.88 and 220,742,083.49

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Solution

The fourth proportional to 339,781,137.10, 468,632,330.88 and 220,742,083.49 is: 304,451,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,781,137.10 : 468,632,330.88 = 220,742,083.49 : x
  2. Step 2: Convert to fraction form
    339,781,137.10/468,632,330.88 = 220,742,083.49/x
  3. Step 3: Cross multiply
    339,781,137.10x = 468,632,330.88 × 220,742,083.49
  4. Step 4: Simplify right side
    339,781,137.10x = 103,446,877,109,934,288
  5. Step 5: Solve for x
    x = 103,446,877,109,934,288/339,781,137.10
  6. Step 6: Final answer
    x = 304,451,500.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.