Home / 1,399,691,912.55-2,099,537,868.83-880,438,626.15

Finding the Fourth Proportional to 1,399,691,912.55, 2,099,537,868.83 and 880,438,626.15

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Solution

The fourth proportional to 1,399,691,912.55, 2,099,537,868.83 and 880,438,626.15 is: 1,320,657,939.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,691,912.55 : 2,099,537,868.83 = 880,438,626.15 : x
  2. Step 2: Convert to fraction form
    1,399,691,912.55/2,099,537,868.83 = 880,438,626.15/x
  3. Step 3: Cross multiply
    1,399,691,912.55x = 2,099,537,868.83 × 880,438,626.15
  4. Step 4: Simplify right side
    1,399,691,912.55x = 1,848,514,236,778,181,888
  5. Step 5: Solve for x
    x = 1,848,514,236,778,181,888/1,399,691,912.55
  6. Step 6: Final answer
    x = 1,320,657,939.23

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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.