Home / 21,399,560,069.80-32,099,340,104.70-7,420,536,005.80

Finding the Fourth Proportional to 21,399,560,069.80, 32,099,340,104.70 and 7,420,536,005.80

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Solution

The fourth proportional to 21,399,560,069.80, 32,099,340,104.70 and 7,420,536,005.80 is: 11,130,804,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399,560,069.80 : 32,099,340,104.70 = 7,420,536,005.80 : x
  2. Step 2: Convert to fraction form
    21,399,560,069.80/32,099,340,104.70 = 7,420,536,005.80/x
  3. Step 3: Cross multiply
    21,399,560,069.80x = 32,099,340,104.70 × 7,420,536,005.80
  4. Step 4: Simplify right side
    21,399,560,069.80x = 238,194,309,009,346,297,856
  5. Step 5: Solve for x
    x = 238,194,309,009,346,297,856/21,399,560,069.80
  6. Step 6: Final answer
    x = 11,130,804,008.70

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1.5x scale

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.