Home / 13,169,348,198.46-18,173,726,318.79-7,817,981,773.50

Finding the Fourth Proportional to 13,169,348,198.46, 18,173,726,318.79 and 7,817,981,773.50

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Solution

The fourth proportional to 13,169,348,198.46, 18,173,726,318.79 and 7,817,981,773.50 is: 10,788,830,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169,348,198.46 : 18,173,726,318.79 = 7,817,981,773.50 : x
  2. Step 2: Convert to fraction form
    13,169,348,198.46/18,173,726,318.79 = 7,817,981,773.50/x
  3. Step 3: Cross multiply
    13,169,348,198.46x = 18,173,726,318.79 × 7,817,981,773.50
  4. Step 4: Simplify right side
    13,169,348,198.46x = 142,081,861,116,877,471,744
  5. Step 5: Solve for x
    x = 142,081,861,116,877,471,744/13,169,348,198.46
  6. Step 6: Final answer
    x = 10,788,830,166.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.