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Finding the Fourth Proportional to 19,677,978,005.30, 29,516,967,007.95 and 19,677,978,005.30

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Solution

The fourth proportional to 19,677,978,005.30, 29,516,967,007.95 and 19,677,978,005.30 is: 29,516,967,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677,978,005.30 : 29,516,967,007.95 = 19,677,978,005.30 : x
  2. Step 2: Convert to fraction form
    19,677,978,005.30/29,516,967,007.95 = 19,677,978,005.30/x
  3. Step 3: Cross multiply
    19,677,978,005.30x = 29,516,967,007.95 × 19,677,978,005.30
  4. Step 4: Simplify right side
    19,677,978,005.30x = 580,834,227,565,605,814,272
  5. Step 5: Solve for x
    x = 580,834,227,565,605,814,272/19,677,978,005.30
  6. Step 6: Final answer
    x = 29,516,967,007.95

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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.