Home / 1,638,795,633.70-2,458,193,450.55-1,449,390,061.30

Finding the Fourth Proportional to 1,638,795,633.70, 2,458,193,450.55 and 1,449,390,061.30

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Solution

The fourth proportional to 1,638,795,633.70, 2,458,193,450.55 and 1,449,390,061.30 is: 2,174,085,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,795,633.70 : 2,458,193,450.55 = 1,449,390,061.30 : x
  2. Step 2: Convert to fraction form
    1,638,795,633.70/2,458,193,450.55 = 1,449,390,061.30/x
  3. Step 3: Cross multiply
    1,638,795,633.70x = 2,458,193,450.55 × 1,449,390,061.30
  4. Step 4: Simplify right side
    1,638,795,633.70x = 3,562,881,155,979,922,944
  5. Step 5: Solve for x
    x = 3,562,881,155,979,922,944/1,638,795,633.70
  6. Step 6: Final answer
    x = 2,174,085,091.95

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Double scale
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Similar ratio
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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.