Home / 7,872,188,546,621-11,795,388,005,660-4,192,559,190,659.20

Finding the Fourth Proportional to 7,872,188,546,621, 11,795,388,005,660 and 4,192,559,190,659.20

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Solution

The fourth proportional to 7,872,188,546,621, 11,795,388,005,660 and 4,192,559,190,659.20 is: 6,281,971,283,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872,188,546,621 : 11,795,388,005,660 = 4,192,559,190,659.20 : x
  2. Step 2: Convert to fraction form
    7,872,188,546,621/11,795,388,005,660 = 4,192,559,190,659.20/x
  3. Step 3: Cross multiply
    7,872,188,546,621x = 11,795,388,005,660 × 4,192,559,190,659.20
  4. Step 4: Simplify right side
    7,872,188,546,621x = 49,452,862,390,521,127,497,629,696
  5. Step 5: Solve for x
    x = 49,452,862,390,521,127,497,629,696/7,872,188,546,621
  6. Step 6: Final answer
    x = 6,281,971,283,798.57

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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.