Home / 18,205,581,465,840-27,309,977,585,012-5,136,459,780,256

Finding the Fourth Proportional to 18,205,581,465,840, 27,309,977,585,012 and 5,136,459,780,256

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Solution

The fourth proportional to 18,205,581,465,840, 27,309,977,585,012 and 5,136,459,780,256 is: 7,705,142,608,507.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205,581,465,840 : 27,309,977,585,012 = 5,136,459,780,256 : x
  2. Step 2: Convert to fraction form
    18,205,581,465,840/27,309,977,585,012 = 5,136,459,780,256/x
  3. Step 3: Cross multiply
    18,205,581,465,840x = 27,309,977,585,012 × 5,136,459,780,256
  4. Step 4: Simplify right side
    18,205,581,465,840x = 140,276,601,465,107,024,833,413,120
  5. Step 5: Solve for x
    x = 140,276,601,465,107,024,833,413,120/18,205,581,465,840
  6. Step 6: Final answer
    x = 7,705,142,608,507.99

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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.