Home / 27,281,336,665.80-40,922,004,998.70-13,315,917,491.40

Finding the Fourth Proportional to 27,281,336,665.80, 40,922,004,998.70 and 13,315,917,491.40

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Solution

The fourth proportional to 27,281,336,665.80, 40,922,004,998.70 and 13,315,917,491.40 is: 19,973,876,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281,336,665.80 : 40,922,004,998.70 = 13,315,917,491.40 : x
  2. Step 2: Convert to fraction form
    27,281,336,665.80/40,922,004,998.70 = 13,315,917,491.40/x
  3. Step 3: Cross multiply
    27,281,336,665.80x = 40,922,004,998.70 × 13,315,917,491.40
  4. Step 4: Simplify right side
    27,281,336,665.80x = 544,914,042,145,347,534,848
  5. Step 5: Solve for x
    x = 544,914,042,145,347,534,848/27,281,336,665.80
  6. Step 6: Final answer
    x = 19,973,876,237.10

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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.