Home / 10,188,188,369.85-15,289,263,286.76-3,555,817,509.16

Finding the Fourth Proportional to 10,188,188,369.85, 15,289,263,286.76 and 3,555,817,509.16

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Solution

The fourth proportional to 10,188,188,369.85, 15,289,263,286.76 and 3,555,817,509.16 is: 5,336,162,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188,188,369.85 : 15,289,263,286.76 = 3,555,817,509.16 : x
  2. Step 2: Convert to fraction form
    10,188,188,369.85/15,289,263,286.76 = 3,555,817,509.16/x
  3. Step 3: Cross multiply
    10,188,188,369.85x = 15,289,263,286.76 × 3,555,817,509.16
  4. Step 4: Simplify right side
    10,188,188,369.85x = 54,365,830,097,218,379,776
  5. Step 5: Solve for x
    x = 54,365,830,097,218,379,776/10,188,188,369.85
  6. Step 6: Final answer
    x = 5,336,162,634.97

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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.