Home / 7,188,459,644.16-10,783,848,123.05-2,214,179,188.74

Finding the Fourth Proportional to 7,188,459,644.16, 10,783,848,123.05 and 2,214,179,188.74

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Solution

The fourth proportional to 7,188,459,644.16, 10,783,848,123.05 and 2,214,179,188.74 is: 3,321,625,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,459,644.16 : 10,783,848,123.05 = 2,214,179,188.74 : x
  2. Step 2: Convert to fraction form
    7,188,459,644.16/10,783,848,123.05 = 2,214,179,188.74/x
  3. Step 3: Cross multiply
    7,188,459,644.16x = 10,783,848,123.05 × 2,214,179,188.74
  4. Step 4: Simplify right side
    7,188,459,644.16x = 23,877,372,088,579,145,728
  5. Step 5: Solve for x
    x = 23,877,372,088,579,145,728/7,188,459,644.16
  6. Step 6: Final answer
    x = 3,321,625,670.94

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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.