Home / 1,247,724,100.80-1,875,617,229.60-1,150,978,219.20

Finding the Fourth Proportional to 1,247,724,100.80, 1,875,617,229.60 and 1,150,978,219.20

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Solution

The fourth proportional to 1,247,724,100.80, 1,875,617,229.60 and 1,150,978,219.20 is: 1,730,185,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,724,100.80 : 1,875,617,229.60 = 1,150,978,219.20 : x
  2. Step 2: Convert to fraction form
    1,247,724,100.80/1,875,617,229.60 = 1,150,978,219.20/x
  3. Step 3: Cross multiply
    1,247,724,100.80x = 1,875,617,229.60 × 1,150,978,219.20
  4. Step 4: Simplify right side
    1,247,724,100.80x = 2,158,794,578,825,845,504
  5. Step 5: Solve for x
    x = 2,158,794,578,825,845,504/1,247,724,100.80
  6. Step 6: Final answer
    x = 1,730,185,845.93

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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.