Home / 285,666,840.32-393,821,738.55-191,597,797.52

Finding the Fourth Proportional to 285,666,840.32, 393,821,738.55 and 191,597,797.52

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Solution

The fourth proportional to 285,666,840.32, 393,821,738.55 and 191,597,797.52 is: 264,137,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,666,840.32 : 393,821,738.55 = 191,597,797.52 : x
  2. Step 2: Convert to fraction form
    285,666,840.32/393,821,738.55 = 191,597,797.52/x
  3. Step 3: Cross multiply
    285,666,840.32x = 393,821,738.55 × 191,597,797.52
  4. Step 4: Simplify right side
    285,666,840.32x = 75,455,377,719,708,160
  5. Step 5: Solve for x
    x = 75,455,377,719,708,160/285,666,840.32
  6. Step 6: Final answer
    x = 264,137,684.42

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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.