Home / 1,268,905,963.05-1,902,582,865.71-605,123,003.03

Finding the Fourth Proportional to 1,268,905,963.05, 1,902,582,865.71 and 605,123,003.03

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Solution

The fourth proportional to 1,268,905,963.05, 1,902,582,865.71 and 605,123,003.03 is: 907,314,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,905,963.05 : 1,902,582,865.71 = 605,123,003.03 : x
  2. Step 2: Convert to fraction form
    1,268,905,963.05/1,902,582,865.71 = 605,123,003.03/x
  3. Step 3: Cross multiply
    1,268,905,963.05x = 1,902,582,865.71 × 605,123,003.03
  4. Step 4: Simplify right side
    1,268,905,963.05x = 1,151,296,657,202,345,472
  5. Step 5: Solve for x
    x = 1,151,296,657,202,345,472/1,268,905,963.05
  6. Step 6: Final answer
    x = 907,314,403.69

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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.