Home / 12,936,651,791.40-19,404,977,687.10-10,728,355,004.10

Finding the Fourth Proportional to 12,936,651,791.40, 19,404,977,687.10 and 10,728,355,004.10

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Solution

The fourth proportional to 12,936,651,791.40, 19,404,977,687.10 and 10,728,355,004.10 is: 16,092,532,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,651,791.40 : 19,404,977,687.10 = 10,728,355,004.10 : x
  2. Step 2: Convert to fraction form
    12,936,651,791.40/19,404,977,687.10 = 10,728,355,004.10/x
  3. Step 3: Cross multiply
    12,936,651,791.40x = 19,404,977,687.10 × 10,728,355,004.10
  4. Step 4: Simplify right side
    12,936,651,791.40x = 208,183,489,473,848,115,200
  5. Step 5: Solve for x
    x = 208,183,489,473,848,115,200/12,936,651,791.40
  6. Step 6: Final answer
    x = 16,092,532,506.15

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Double scale
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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.