Home / 1,605,300,163.20-2,215,309,731.12-890,943,564.96

Finding the Fourth Proportional to 1,605,300,163.20, 2,215,309,731.12 and 890,943,564.96

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Solution

The fourth proportional to 1,605,300,163.20, 2,215,309,731.12 and 890,943,564.96 is: 1,229,499,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,300,163.20 : 2,215,309,731.12 = 890,943,564.96 : x
  2. Step 2: Convert to fraction form
    1,605,300,163.20/2,215,309,731.12 = 890,943,564.96/x
  3. Step 3: Cross multiply
    1,605,300,163.20x = 2,215,309,731.12 × 890,943,564.96
  4. Step 4: Simplify right side
    1,605,300,163.20x = 1,973,715,949,334,631,936
  5. Step 5: Solve for x
    x = 1,973,715,949,334,631,936/1,605,300,163.20
  6. Step 6: Final answer
    x = 1,229,499,625.42

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1.5x scale

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.