Home / 339,781,140.11-468,632,335.02-220,742,086.49

Finding the Fourth Proportional to 339,781,140.11, 468,632,335.02 and 220,742,086.49

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Solution

The fourth proportional to 339,781,140.11, 468,632,335.02 and 220,742,086.49 is: 304,451,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,781,140.11 : 468,632,335.02 = 220,742,086.49 : x
  2. Step 2: Convert to fraction form
    339,781,140.11/468,632,335.02 = 220,742,086.49/x
  3. Step 3: Cross multiply
    339,781,140.11x = 468,632,335.02 × 220,742,086.49
  4. Step 4: Simplify right side
    339,781,140.11x = 103,446,879,428,995,504
  5. Step 5: Solve for x
    x = 103,446,879,428,995,504/339,781,140.11
  6. Step 6: Final answer
    x = 304,451,504.86

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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.