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Finding the Fourth Proportional to 13,231,092,205.45, 19,846,638,308.19 and 13,231,092,205.45

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Solution

The fourth proportional to 13,231,092,205.45, 19,846,638,308.19 and 13,231,092,205.45 is: 19,846,638,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231,092,205.45 : 19,846,638,308.19 = 13,231,092,205.45 : x
  2. Step 2: Convert to fraction form
    13,231,092,205.45/19,846,638,308.19 = 13,231,092,205.45/x
  3. Step 3: Cross multiply
    13,231,092,205.45x = 19,846,638,308.19 × 13,231,092,205.45
  4. Step 4: Simplify right side
    13,231,092,205.45x = 262,592,701,423,878,078,464
  5. Step 5: Solve for x
    x = 262,592,701,423,878,078,464/13,231,092,205.45
  6. Step 6: Final answer
    x = 19,846,638,308.19

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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.