Home / 3,119,172,584.37-4,678,794,818.84-1,127,365,912.32

Finding the Fourth Proportional to 3,119,172,584.37, 4,678,794,818.84 and 1,127,365,912.32

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Solution

The fourth proportional to 3,119,172,584.37, 4,678,794,818.84 and 1,127,365,912.32 is: 1,691,061,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,172,584.37 : 4,678,794,818.84 = 1,127,365,912.32 : x
  2. Step 2: Convert to fraction form
    3,119,172,584.37/4,678,794,818.84 = 1,127,365,912.32/x
  3. Step 3: Cross multiply
    3,119,172,584.37x = 4,678,794,818.84 × 1,127,365,912.32
  4. Step 4: Simplify right side
    3,119,172,584.37x = 5,274,713,789,480,868,864
  5. Step 5: Solve for x
    x = 5,274,713,789,480,868,864/3,119,172,584.37
  6. Step 6: Final answer
    x = 1,691,061,859.13

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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.