Home / 621,986,179.14-858,325,493.70-357,661,874.52

Finding the Fourth Proportional to 621,986,179.14, 858,325,493.70 and 357,661,874.52

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Solution

The fourth proportional to 621,986,179.14, 858,325,493.70 and 357,661,874.52 is: 493,564,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,986,179.14 : 858,325,493.70 = 357,661,874.52 : x
  2. Step 2: Convert to fraction form
    621,986,179.14/858,325,493.70 = 357,661,874.52/x
  3. Step 3: Cross multiply
    621,986,179.14x = 858,325,493.70 × 357,661,874.52
  4. Step 4: Simplify right side
    621,986,179.14x = 306,990,305,025,046,464
  5. Step 5: Solve for x
    x = 306,990,305,025,046,464/621,986,179.14
  6. Step 6: Final answer
    x = 493,564,512.08

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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.