Home / 836,882,403.06-1,255,272,783.57-312,150,353.61

Finding the Fourth Proportional to 836,882,403.06, 1,255,272,783.57 and 312,150,353.61

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Solution

The fourth proportional to 836,882,403.06, 1,255,272,783.57 and 312,150,353.61 is: 468,206,574.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,882,403.06 : 1,255,272,783.57 = 312,150,353.61 : x
  2. Step 2: Convert to fraction form
    836,882,403.06/1,255,272,783.57 = 312,150,353.61/x
  3. Step 3: Cross multiply
    836,882,403.06x = 1,255,272,783.57 × 312,150,353.61
  4. Step 4: Simplify right side
    836,882,403.06x = 391,833,843,268,384,512
  5. Step 5: Solve for x
    x = 391,833,843,268,384,512/836,882,403.06
  6. Step 6: Final answer
    x = 468,206,574.59

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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.