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Finding the Fourth Proportional to 15,538,542,642.60, 23,307,813,963.90 and 15,538,542,642.60

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Solution

The fourth proportional to 15,538,542,642.60, 23,307,813,963.90 and 15,538,542,642.60 is: 23,307,813,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,538,542,642.60 : 23,307,813,963.90 = 15,538,542,642.60 : x
  2. Step 2: Convert to fraction form
    15,538,542,642.60/23,307,813,963.90 = 15,538,542,642.60/x
  3. Step 3: Cross multiply
    15,538,542,642.60x = 23,307,813,963.90 × 15,538,542,642.60
  4. Step 4: Simplify right side
    15,538,542,642.60x = 362,169,461,183,847,923,712
  5. Step 5: Solve for x
    x = 362,169,461,183,847,923,712/15,538,542,642.60
  6. Step 6: Final answer
    x = 23,307,813,963.90

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Double scale
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Similar ratio
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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.