Home / 1,395,543,597.30-1,925,863,078.39-769,034,444.81

Finding the Fourth Proportional to 1,395,543,597.30, 1,925,863,078.39 and 769,034,444.81

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Solution

The fourth proportional to 1,395,543,597.30, 1,925,863,078.39 and 769,034,444.81 is: 1,061,274,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,543,597.30 : 1,925,863,078.39 = 769,034,444.81 : x
  2. Step 2: Convert to fraction form
    1,395,543,597.30/1,925,863,078.39 = 769,034,444.81/x
  3. Step 3: Cross multiply
    1,395,543,597.30x = 1,925,863,078.39 × 769,034,444.81
  4. Step 4: Simplify right side
    1,395,543,597.30x = 1,481,055,043,258,179,072
  5. Step 5: Solve for x
    x = 1,481,055,043,258,179,072/1,395,543,597.30
  6. Step 6: Final answer
    x = 1,061,274,650.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.