Home / 8,196,022,132.40-12,287,143,973.64-6,639,453,349.04

Finding the Fourth Proportional to 8,196,022,132.40, 12,287,143,973.64 and 6,639,453,349.04

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Solution

The fourth proportional to 8,196,022,132.40, 12,287,143,973.64 and 6,639,453,349.04 is: 9,953,599,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,022,132.40 : 12,287,143,973.64 = 6,639,453,349.04 : x
  2. Step 2: Convert to fraction form
    8,196,022,132.40/12,287,143,973.64 = 6,639,453,349.04/x
  3. Step 3: Cross multiply
    8,196,022,132.40x = 12,287,143,973.64 × 6,639,453,349.04
  4. Step 4: Simplify right side
    8,196,022,132.40x = 81,579,919,205,920,751,616
  5. Step 5: Solve for x
    x = 81,579,919,205,920,751,616/8,196,022,132.40
  6. Step 6: Final answer
    x = 9,953,599,183.61

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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.