Home / 1,661,431,935.04-2,491,420,846.56-788,282,313.28

Finding the Fourth Proportional to 1,661,431,935.04, 2,491,420,846.56 and 788,282,313.28

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Solution

The fourth proportional to 1,661,431,935.04, 2,491,420,846.56 and 788,282,313.28 is: 1,182,078,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,431,935.04 : 2,491,420,846.56 = 788,282,313.28 : x
  2. Step 2: Convert to fraction form
    1,661,431,935.04/2,491,420,846.56 = 788,282,313.28/x
  3. Step 3: Cross multiply
    1,661,431,935.04x = 2,491,420,846.56 × 788,282,313.28
  4. Step 4: Simplify right side
    1,661,431,935.04x = 1,963,942,988,280,332,544
  5. Step 5: Solve for x
    x = 1,963,942,988,280,332,544/1,661,431,935.04
  6. Step 6: Final answer
    x = 1,182,078,511.23

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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.