Home / 1,771,578,293.60-2,444,730,661.68-978,607,206.56

Finding the Fourth Proportional to 1,771,578,293.60, 2,444,730,661.68 and 978,607,206.56

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Solution

The fourth proportional to 1,771,578,293.60, 2,444,730,661.68 and 978,607,206.56 is: 1,350,451,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,578,293.60 : 2,444,730,661.68 = 978,607,206.56 : x
  2. Step 2: Convert to fraction form
    1,771,578,293.60/2,444,730,661.68 = 978,607,206.56/x
  3. Step 3: Cross multiply
    1,771,578,293.60x = 2,444,730,661.68 × 978,607,206.56
  4. Step 4: Simplify right side
    1,771,578,293.60x = 2,392,431,043,618,245,120
  5. Step 5: Solve for x
    x = 2,392,431,043,618,245,120/1,771,578,293.60
  6. Step 6: Final answer
    x = 1,350,451,770.75

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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.