Home / 17,939,809,610.20-26,909,714,415.30-8,621,310,539.80

Finding the Fourth Proportional to 17,939,809,610.20, 26,909,714,415.30 and 8,621,310,539.80

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Solution

The fourth proportional to 17,939,809,610.20, 26,909,714,415.30 and 8,621,310,539.80 is: 12,931,965,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939,809,610.20 : 26,909,714,415.30 = 8,621,310,539.80 : x
  2. Step 2: Convert to fraction form
    17,939,809,610.20/26,909,714,415.30 = 8,621,310,539.80/x
  3. Step 3: Cross multiply
    17,939,809,610.20x = 26,909,714,415.30 × 8,621,310,539.80
  4. Step 4: Simplify right side
    17,939,809,610.20x = 231,997,004,511,633,866,752
  5. Step 5: Solve for x
    x = 231,997,004,511,633,866,752/17,939,809,610.20
  6. Step 6: Final answer
    x = 12,931,965,809.70

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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.