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Finding the Fourth Proportional to 121,043,485,462.40, 181,238,710,843.20 and 121,043,485,462.40

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Solution

The fourth proportional to 121,043,485,462.40, 181,238,710,843.20 and 121,043,485,462.40 is: 181,238,710,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,043,485,462.40 : 181,238,710,843.20 = 121,043,485,462.40 : x
  2. Step 2: Convert to fraction form
    121,043,485,462.40/181,238,710,843.20 = 121,043,485,462.40/x
  3. Step 3: Cross multiply
    121,043,485,462.40x = 181,238,710,843.20 × 121,043,485,462.40
  4. Step 4: Simplify right side
    121,043,485,462.40x = 21,937,765,261,172,996,571,136
  5. Step 5: Solve for x
    x = 21,937,765,261,172,996,571,136/121,043,485,462.40
  6. Step 6: Final answer
    x = 181,238,710,843.20

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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.