Home / 1,827,048,846.61-2,521,259,894.64-991,655,481.07

Finding the Fourth Proportional to 1,827,048,846.61, 2,521,259,894.64 and 991,655,481.07

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Solution

The fourth proportional to 1,827,048,846.61, 2,521,259,894.64 and 991,655,481.07 is: 1,368,447,919.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,048,846.61 : 2,521,259,894.64 = 991,655,481.07 : x
  2. Step 2: Convert to fraction form
    1,827,048,846.61/2,521,259,894.64 = 991,655,481.07/x
  3. Step 3: Cross multiply
    1,827,048,846.61x = 2,521,259,894.64 × 991,655,481.07
  4. Step 4: Simplify right side
    1,827,048,846.61x = 2,500,221,193,728,646,144
  5. Step 5: Solve for x
    x = 2,500,221,193,728,646,144/1,827,048,846.61
  6. Step 6: Final answer
    x = 1,368,447,919.92

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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.