Home / 809,503,143.32-1,117,093,777.45-452,273,669.90

Finding the Fourth Proportional to 809,503,143.32, 1,117,093,777.45 and 452,273,669.90

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Solution

The fourth proportional to 809,503,143.32, 1,117,093,777.45 and 452,273,669.90 is: 624,126,177.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,503,143.32 : 1,117,093,777.45 = 452,273,669.90 : x
  2. Step 2: Convert to fraction form
    809,503,143.32/1,117,093,777.45 = 452,273,669.90/x
  3. Step 3: Cross multiply
    809,503,143.32x = 1,117,093,777.45 × 452,273,669.90
  4. Step 4: Simplify right side
    809,503,143.32x = 505,232,102,356,071,424
  5. Step 5: Solve for x
    x = 505,232,102,356,071,424/809,503,143.32
  6. Step 6: Final answer
    x = 624,126,177.31

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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.