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Finding the Fourth Proportional to 10,922,145,999.30, 16,383,218,998.95 and 10,922,145,999.30

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Solution

The fourth proportional to 10,922,145,999.30, 16,383,218,998.95 and 10,922,145,999.30 is: 16,383,218,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922,145,999.30 : 16,383,218,998.95 = 10,922,145,999.30 : x
  2. Step 2: Convert to fraction form
    10,922,145,999.30/16,383,218,998.95 = 10,922,145,999.30/x
  3. Step 3: Cross multiply
    10,922,145,999.30x = 16,383,218,998.95 × 10,922,145,999.30
  4. Step 4: Simplify right side
    10,922,145,999.30x = 178,939,909,845,037,481,984
  5. Step 5: Solve for x
    x = 178,939,909,845,037,481,984/10,922,145,999.30
  6. Step 6: Final answer
    x = 16,383,218,998.95

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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.