Home / 217,800,292,249.71-300,564,692,844.30-120,139,730,223.58

Finding the Fourth Proportional to 217,800,292,249.71, 300,564,692,844.30 and 120,139,730,223.58

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Solution

The fourth proportional to 217,800,292,249.71, 300,564,692,844.30 and 120,139,730,223.58 is: 165,792,987,420.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,800,292,249.71 : 300,564,692,844.30 = 120,139,730,223.58 : x
  2. Step 2: Convert to fraction form
    217,800,292,249.71/300,564,692,844.30 = 120,139,730,223.58/x
  3. Step 3: Cross multiply
    217,800,292,249.71x = 300,564,692,844.30 × 120,139,730,223.58
  4. Step 4: Simplify right side
    217,800,292,249.71x = 36,109,761,113,047,387,078,656
  5. Step 5: Solve for x
    x = 36,109,761,113,047,387,078,656/217,800,292,249.71
  6. Step 6: Final answer
    x = 165,792,987,420.09

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1.5x scale

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.