Home / 217,800,292,255.70-300,564,692,852.58-120,139,730,229.58

Finding the Fourth Proportional to 217,800,292,255.70, 300,564,692,852.58 and 120,139,730,229.58

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Solution

The fourth proportional to 217,800,292,255.70, 300,564,692,852.58 and 120,139,730,229.58 is: 165,792,987,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,800,292,255.70 : 300,564,692,852.58 = 120,139,730,229.58 : x
  2. Step 2: Convert to fraction form
    217,800,292,255.70/300,564,692,852.58 = 120,139,730,229.58/x
  3. Step 3: Cross multiply
    217,800,292,255.70x = 300,564,692,852.58 × 120,139,730,229.58
  4. Step 4: Simplify right side
    217,800,292,255.70x = 36,109,761,115,845,537,300,480
  5. Step 5: Solve for x
    x = 36,109,761,115,845,537,300,480/217,800,292,255.70
  6. Step 6: Final answer
    x = 165,792,987,428.37

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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.