Home / 1,625,933,025.15-2,243,787,571.43-921,085,005.66

Finding the Fourth Proportional to 1,625,933,025.15, 2,243,787,571.43 and 921,085,005.66

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Solution

The fourth proportional to 1,625,933,025.15, 2,243,787,571.43 and 921,085,005.66 is: 1,271,097,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,933,025.15 : 2,243,787,571.43 = 921,085,005.66 : x
  2. Step 2: Convert to fraction form
    1,625,933,025.15/2,243,787,571.43 = 921,085,005.66/x
  3. Step 3: Cross multiply
    1,625,933,025.15x = 2,243,787,571.43 × 921,085,005.66
  4. Step 4: Simplify right side
    1,625,933,025.15x = 2,066,719,087,930,438,912
  5. Step 5: Solve for x
    x = 2,066,719,087,930,438,912/1,625,933,025.15
  6. Step 6: Final answer
    x = 1,271,097,305.95

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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.