Home / 339,781,139.11-468,632,333.64-220,742,085.49

Finding the Fourth Proportional to 339,781,139.11, 468,632,333.64 and 220,742,085.49

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Solution

The fourth proportional to 339,781,139.11, 468,632,333.64 and 220,742,085.49 is: 304,451,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,781,139.11 : 468,632,333.64 = 220,742,085.49 : x
  2. Step 2: Convert to fraction form
    339,781,139.11/468,632,333.64 = 220,742,085.49/x
  3. Step 3: Cross multiply
    339,781,139.11x = 468,632,333.64 × 220,742,085.49
  4. Step 4: Simplify right side
    339,781,139.11x = 103,446,878,653,395,920
  5. Step 5: Solve for x
    x = 103,446,878,653,395,920/339,781,139.11
  6. Step 6: Final answer
    x = 304,451,503.48

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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.