Home / 52,789,907,105.20-79,184,860,657.80-19,661,150,623.60

Finding the Fourth Proportional to 52,789,907,105.20, 79,184,860,657.80 and 19,661,150,623.60

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Solution

The fourth proportional to 52,789,907,105.20, 79,184,860,657.80 and 19,661,150,623.60 is: 29,491,725,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,789,907,105.20 : 79,184,860,657.80 = 19,661,150,623.60 : x
  2. Step 2: Convert to fraction form
    52,789,907,105.20/79,184,860,657.80 = 19,661,150,623.60/x
  3. Step 3: Cross multiply
    52,789,907,105.20x = 79,184,860,657.80 × 19,661,150,623.60
  4. Step 4: Simplify right side
    52,789,907,105.20x = 1,556,865,472,501,783,461,888
  5. Step 5: Solve for x
    x = 1,556,865,472,501,783,461,888/52,789,907,105.20
  6. Step 6: Final answer
    x = 29,491,725,935.40

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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.