Home / 12,642,519,269-18,959,759,489.10-11,817,168,097.16

Finding the Fourth Proportional to 12,642,519,269, 18,959,759,489.10 and 11,817,168,097.16

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Solution

The fourth proportional to 12,642,519,269, 18,959,759,489.10 and 11,817,168,097.16 is: 17,721,995,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,519,269 : 18,959,759,489.10 = 11,817,168,097.16 : x
  2. Step 2: Convert to fraction form
    12,642,519,269/18,959,759,489.10 = 11,817,168,097.16/x
  3. Step 3: Cross multiply
    12,642,519,269x = 18,959,759,489.10 × 11,817,168,097.16
  4. Step 4: Simplify right side
    12,642,519,269x = 224,050,664,964,419,092,480
  5. Step 5: Solve for x
    x = 224,050,664,964,419,092,480/12,642,519,269
  6. Step 6: Final answer
    x = 17,721,995,133.82

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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.