Home / 391,140,738,045.15-586,711,107,067.73-391,140,738,045.15

Finding the Fourth Proportional to 391,140,738,045.15, 586,711,107,067.73 and 391,140,738,045.15

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Solution

The fourth proportional to 391,140,738,045.15, 586,711,107,067.73 and 391,140,738,045.15 is: 586,711,107,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,140,738,045.15 : 586,711,107,067.73 = 391,140,738,045.15 : x
  2. Step 2: Convert to fraction form
    391,140,738,045.15/586,711,107,067.73 = 391,140,738,045.15/x
  3. Step 3: Cross multiply
    391,140,738,045.15x = 586,711,107,067.73 × 391,140,738,045.15
  4. Step 4: Simplify right side
    391,140,738,045.15x = 229,486,615,437,758,940,839,936
  5. Step 5: Solve for x
    x = 229,486,615,437,758,940,839,936/391,140,738,045.15
  6. Step 6: Final answer
    x = 586,711,107,067.73

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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.