Home / 18,205,581,465,842-27,309,977,585,016-5,136,459,780,258

Finding the Fourth Proportional to 18,205,581,465,842, 27,309,977,585,016 and 5,136,459,780,258

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Solution

The fourth proportional to 18,205,581,465,842, 27,309,977,585,016 and 5,136,459,780,258 is: 7,705,142,608,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205,581,465,842 : 27,309,977,585,016 = 5,136,459,780,258 : x
  2. Step 2: Convert to fraction form
    18,205,581,465,842/27,309,977,585,016 = 5,136,459,780,258/x
  3. Step 3: Cross multiply
    18,205,581,465,842x = 27,309,977,585,016 × 5,136,459,780,258
  4. Step 4: Simplify right side
    18,205,581,465,842x = 140,276,601,465,182,186,761,093,120
  5. Step 5: Solve for x
    x = 140,276,601,465,182,186,761,093,120/18,205,581,465,842
  6. Step 6: Final answer
    x = 7,705,142,608,511.27

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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.