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Finding the Fourth Proportional to 19,561,622,158.90, 29,342,433,238.36 and 19,561,622,158.90

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Solution

The fourth proportional to 19,561,622,158.90, 29,342,433,238.36 and 19,561,622,158.90 is: 29,342,433,238.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561,622,158.90 : 29,342,433,238.36 = 19,561,622,158.90 : x
  2. Step 2: Convert to fraction form
    19,561,622,158.90/29,342,433,238.36 = 19,561,622,158.90/x
  3. Step 3: Cross multiply
    19,561,622,158.90x = 29,342,433,238.36 × 19,561,622,158.90
  4. Step 4: Simplify right side
    19,561,622,158.90x = 573,985,592,231,546,912,768
  5. Step 5: Solve for x
    x = 573,985,592,231,546,912,768/19,561,622,158.90
  6. Step 6: Final answer
    x = 29,342,433,238.36

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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.