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Finding the Fourth Proportional to 19,618,383,606.40, 29,427,575,409.60 and 19,618,383,606.40

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Solution

The fourth proportional to 19,618,383,606.40, 29,427,575,409.60 and 19,618,383,606.40 is: 29,427,575,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618,383,606.40 : 29,427,575,409.60 = 19,618,383,606.40 : x
  2. Step 2: Convert to fraction form
    19,618,383,606.40/29,427,575,409.60 = 19,618,383,606.40/x
  3. Step 3: Cross multiply
    19,618,383,606.40x = 29,427,575,409.60 × 19,618,383,606.40
  4. Step 4: Simplify right side
    19,618,383,606.40x = 577,321,462,991,796,436,992
  5. Step 5: Solve for x
    x = 577,321,462,991,796,436,992/19,618,383,606.40
  6. Step 6: Final answer
    x = 29,427,575,409.60

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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.