Home / 15,422,370,580.07-21,285,923,624.39-10,003,621,596.78

Finding the Fourth Proportional to 15,422,370,580.07, 21,285,923,624.39 and 10,003,621,596.78

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Solution

The fourth proportional to 15,422,370,580.07, 21,285,923,624.39 and 10,003,621,596.78 is: 13,806,977,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422,370,580.07 : 21,285,923,624.39 = 10,003,621,596.78 : x
  2. Step 2: Convert to fraction form
    15,422,370,580.07/21,285,923,624.39 = 10,003,621,596.78/x
  3. Step 3: Cross multiply
    15,422,370,580.07x = 21,285,923,624.39 × 10,003,621,596.78
  4. Step 4: Simplify right side
    15,422,370,580.07x = 212,936,325,276,307,390,464
  5. Step 5: Solve for x
    x = 212,936,325,276,307,390,464/15,422,370,580.07
  6. Step 6: Final answer
    x = 13,806,977,608.98

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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.