Home / 231,339,072,511.80-347,008,608,767.70-221,543,551,999.80

Finding the Fourth Proportional to 231,339,072,511.80, 347,008,608,767.70 and 221,543,551,999.80

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Solution

The fourth proportional to 231,339,072,511.80, 347,008,608,767.70 and 221,543,551,999.80 is: 332,315,327,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,339,072,511.80 : 347,008,608,767.70 = 221,543,551,999.80 : x
  2. Step 2: Convert to fraction form
    231,339,072,511.80/347,008,608,767.70 = 221,543,551,999.80/x
  3. Step 3: Cross multiply
    231,339,072,511.80x = 347,008,608,767.70 × 221,543,551,999.80
  4. Step 4: Simplify right side
    231,339,072,511.80x = 76,877,519,760,905,205,710,848
  5. Step 5: Solve for x
    x = 76,877,519,760,905,205,710,848/231,339,072,511.80
  6. Step 6: Final answer
    x = 332,315,327,999.70

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Double scale
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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.