Home / 1,427,257,975.57-2,142,988,556.48-798,222,456.82

Finding the Fourth Proportional to 1,427,257,975.57, 2,142,988,556.48 and 798,222,456.82

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Solution

The fourth proportional to 1,427,257,975.57, 2,142,988,556.48 and 798,222,456.82 is: 1,198,509,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,257,975.57 : 2,142,988,556.48 = 798,222,456.82 : x
  2. Step 2: Convert to fraction form
    1,427,257,975.57/2,142,988,556.48 = 798,222,456.82/x
  3. Step 3: Cross multiply
    1,427,257,975.57x = 2,142,988,556.48 × 798,222,456.82
  4. Step 4: Simplify right side
    1,427,257,975.57x = 1,710,581,590,490,610,944
  5. Step 5: Solve for x
    x = 1,710,581,590,490,610,944/1,427,257,975.57
  6. Step 6: Final answer
    x = 1,198,509,043.05

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1.5x scale

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.