Home / 2,976,930,541.81-4,465,519,046.79-878,406,908.05

Finding the Fourth Proportional to 2,976,930,541.81, 4,465,519,046.79 and 878,406,908.05

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Solution

The fourth proportional to 2,976,930,541.81, 4,465,519,046.79 and 878,406,908.05 is: 1,317,646,724.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,930,541.81 : 4,465,519,046.79 = 878,406,908.05 : x
  2. Step 2: Convert to fraction form
    2,976,930,541.81/4,465,519,046.79 = 878,406,908.05/x
  3. Step 3: Cross multiply
    2,976,930,541.81x = 4,465,519,046.79 × 878,406,908.05
  4. Step 4: Simplify right side
    2,976,930,541.81x = 3,922,542,778,729,186,816
  5. Step 5: Solve for x
    x = 3,922,542,778,729,186,816/2,976,930,541.81
  6. Step 6: Final answer
    x = 1,317,646,724.92

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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.