Home / 1,331,519,971.15-1,835,993,866.85-995,916,969.82

Finding the Fourth Proportional to 1,331,519,971.15, 1,835,993,866.85 and 995,916,969.82

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Solution

The fourth proportional to 1,331,519,971.15, 1,835,993,866.85 and 995,916,969.82 is: 1,373,240,723.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,519,971.15 : 1,835,993,866.85 = 995,916,969.82 : x
  2. Step 2: Convert to fraction form
    1,331,519,971.15/1,835,993,866.85 = 995,916,969.82/x
  3. Step 3: Cross multiply
    1,331,519,971.15x = 1,835,993,866.85 × 995,916,969.82
  4. Step 4: Simplify right side
    1,331,519,971.15x = 1,828,497,448,481,356,544
  5. Step 5: Solve for x
    x = 1,828,497,448,481,356,544/1,331,519,971.15
  6. Step 6: Final answer
    x = 1,373,240,723.46

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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.