Home / 18,010,086,619.49-24,853,921,890.75-9,981,945,457.98

Finding the Fourth Proportional to 18,010,086,619.49, 24,853,921,890.75 and 9,981,945,457.98

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Solution

The fourth proportional to 18,010,086,619.49, 24,853,921,890.75 and 9,981,945,457.98 is: 13,775,086,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010,086,619.49 : 24,853,921,890.75 = 9,981,945,457.98 : x
  2. Step 2: Convert to fraction form
    18,010,086,619.49/24,853,921,890.75 = 9,981,945,457.98/x
  3. Step 3: Cross multiply
    18,010,086,619.49x = 24,853,921,890.75 × 9,981,945,457.98
  4. Step 4: Simplify right side
    18,010,086,619.49x = 248,090,492,730,361,643,008
  5. Step 5: Solve for x
    x = 248,090,492,730,361,643,008/18,010,086,619.49
  6. Step 6: Final answer
    x = 13,775,086,037.73

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Double scale
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1.5x scale

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.