Home / 13,015,728,900,357-17,961,708,814,340-7,162,836,152,974

Finding the Fourth Proportional to 13,015,728,900,357, 17,961,708,814,340 and 7,162,836,152,974

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Solution

The fourth proportional to 13,015,728,900,357, 17,961,708,814,340 and 7,162,836,152,974 is: 9,884,715,504,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015,728,900,357 : 17,961,708,814,340 = 7,162,836,152,974 : x
  2. Step 2: Convert to fraction form
    13,015,728,900,357/17,961,708,814,340 = 7,162,836,152,974/x
  3. Step 3: Cross multiply
    13,015,728,900,357x = 17,961,708,814,340 × 7,162,836,152,974
  4. Step 4: Simplify right side
    13,015,728,900,357x = 128,656,777,264,546,320,020,930,560
  5. Step 5: Solve for x
    x = 128,656,777,264,546,320,020,930,560/13,015,728,900,357
  6. Step 6: Final answer
    x = 9,884,715,504,562.90

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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.