Home / 1,131,295,028.94-1,561,904,420.04-774,659,604.96

Finding the Fourth Proportional to 1,131,295,028.94, 1,561,904,420.04 and 774,659,604.96

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Solution

The fourth proportional to 1,131,295,028.94, 1,561,904,420.04 and 774,659,604.96 is: 1,069,521,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,295,028.94 : 1,561,904,420.04 = 774,659,604.96 : x
  2. Step 2: Convert to fraction form
    1,131,295,028.94/1,561,904,420.04 = 774,659,604.96/x
  3. Step 3: Cross multiply
    1,131,295,028.94x = 1,561,904,420.04 × 774,659,604.96
  4. Step 4: Simplify right side
    1,131,295,028.94x = 1,209,944,261,013,464,320
  5. Step 5: Solve for x
    x = 1,209,944,261,013,464,320/1,131,295,028.94
  6. Step 6: Final answer
    x = 1,069,521,415.78

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Double scale
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1.5x scale

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.