Home / 290,656,654,209.82-435,983,151,829.08-156,414,378,603.28

Finding the Fourth Proportional to 290,656,654,209.82, 435,983,151,829.08 and 156,414,378,603.28

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Solution

The fourth proportional to 290,656,654,209.82, 435,983,151,829.08 and 156,414,378,603.28 is: 234,620,583,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,656,654,209.82 : 435,983,151,829.08 = 156,414,378,603.28 : x
  2. Step 2: Convert to fraction form
    290,656,654,209.82/435,983,151,829.08 = 156,414,378,603.28/x
  3. Step 3: Cross multiply
    290,656,654,209.82x = 435,983,151,829.08 × 156,414,378,603.28
  4. Step 4: Simplify right side
    290,656,654,209.82x = 68,194,033,774,845,027,680,256
  5. Step 5: Solve for x
    x = 68,194,033,774,845,027,680,256/290,656,654,209.82
  6. Step 6: Final answer
    x = 234,620,583,382.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.