Home / 12,203,840,687.70-18,308,118,450.92-4,640,037,277.05

Finding the Fourth Proportional to 12,203,840,687.70, 18,308,118,450.92 and 4,640,037,277.05

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Solution

The fourth proportional to 12,203,840,687.70, 18,308,118,450.92 and 4,640,037,277.05 is: 6,960,952,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203,840,687.70 : 18,308,118,450.92 = 4,640,037,277.05 : x
  2. Step 2: Convert to fraction form
    12,203,840,687.70/18,308,118,450.92 = 4,640,037,277.05/x
  3. Step 3: Cross multiply
    12,203,840,687.70x = 18,308,118,450.92 × 4,640,037,277.05
  4. Step 4: Simplify right side
    12,203,840,687.70x = 84,950,352,084,915,699,712
  5. Step 5: Solve for x
    x = 84,950,352,084,915,699,712/12,203,840,687.70
  6. Step 6: Final answer
    x = 6,960,952,232.89

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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.