Home / 1,827,048,879.90-2,521,259,940.57-991,655,514.36

Finding the Fourth Proportional to 1,827,048,879.90, 2,521,259,940.57 and 991,655,514.36

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Solution

The fourth proportional to 1,827,048,879.90, 2,521,259,940.57 and 991,655,514.36 is: 1,368,447,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,048,879.90 : 2,521,259,940.57 = 991,655,514.36 : x
  2. Step 2: Convert to fraction form
    1,827,048,879.90/2,521,259,940.57 = 991,655,514.36/x
  3. Step 3: Cross multiply
    1,827,048,879.90x = 2,521,259,940.57 × 991,655,514.36
  4. Step 4: Simplify right side
    1,827,048,879.90x = 2,500,221,323,201,206,784
  5. Step 5: Solve for x
    x = 2,500,221,323,201,206,784/1,827,048,879.90
  6. Step 6: Final answer
    x = 1,368,447,965.85

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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.