Home / 703,274,765.36-1,054,921,052.40-266,458,111.28

Finding the Fourth Proportional to 703,274,765.36, 1,054,921,052.40 and 266,458,111.28

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Solution

The fourth proportional to 703,274,765.36, 1,054,921,052.40 and 266,458,111.28 is: 399,690,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,274,765.36 : 1,054,921,052.40 = 266,458,111.28 : x
  2. Step 2: Convert to fraction form
    703,274,765.36/1,054,921,052.40 = 266,458,111.28/x
  3. Step 3: Cross multiply
    703,274,765.36x = 1,054,921,052.40 × 266,458,111.28
  4. Step 4: Simplify right side
    703,274,765.36x = 281,092,271,172,013,920
  5. Step 5: Solve for x
    x = 281,092,271,172,013,920/703,274,765.36
  6. Step 6: Final answer
    x = 399,690,540.62

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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.