Home / 1,952,485,885.68-2,928,405,016.44-642,403,912.56

Finding the Fourth Proportional to 1,952,485,885.68, 2,928,405,016.44 and 642,403,912.56

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Solution

The fourth proportional to 1,952,485,885.68, 2,928,405,016.44 and 642,403,912.56 is: 963,499,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952,485,885.68 : 2,928,405,016.44 = 642,403,912.56 : x
  2. Step 2: Convert to fraction form
    1,952,485,885.68/2,928,405,016.44 = 642,403,912.56/x
  3. Step 3: Cross multiply
    1,952,485,885.68x = 2,928,405,016.44 × 642,403,912.56
  4. Step 4: Simplify right side
    1,952,485,885.68x = 1,881,218,840,121,387,008
  5. Step 5: Solve for x
    x = 1,881,218,840,121,387,008/1,952,485,885.68
  6. Step 6: Final answer
    x = 963,499,328.69

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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.