Home / 1,992,730,497.21-2,987,939,318.79-943,459,892.30

Finding the Fourth Proportional to 1,992,730,497.21, 2,987,939,318.79 and 943,459,892.30

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Solution

The fourth proportional to 1,992,730,497.21, 2,987,939,318.79 and 943,459,892.30 is: 1,414,642,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,730,497.21 : 2,987,939,318.79 = 943,459,892.30 : x
  2. Step 2: Convert to fraction form
    1,992,730,497.21/2,987,939,318.79 = 943,459,892.30/x
  3. Step 3: Cross multiply
    1,992,730,497.21x = 2,987,939,318.79 × 943,459,892.30
  4. Step 4: Simplify right side
    1,992,730,497.21x = 2,819,000,907,889,608,704
  5. Step 5: Solve for x
    x = 2,819,000,907,889,608,704/1,992,730,497.21
  6. Step 6: Final answer
    x = 1,414,642,327.12

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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.