Home / 838,410,869.54-1,257,862,833.86-248,216,114.54

Finding the Fourth Proportional to 838,410,869.54, 1,257,862,833.86 and 248,216,114.54

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Solution

The fourth proportional to 838,410,869.54, 1,257,862,833.86 and 248,216,114.54 is: 372,397,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,410,869.54 : 1,257,862,833.86 = 248,216,114.54 : x
  2. Step 2: Convert to fraction form
    838,410,869.54/1,257,862,833.86 = 248,216,114.54/x
  3. Step 3: Cross multiply
    838,410,869.54x = 1,257,862,833.86 × 248,216,114.54
  4. Step 4: Simplify right side
    838,410,869.54x = 312,221,825,246,906,304
  5. Step 5: Solve for x
    x = 312,221,825,246,906,304/838,410,869.54
  6. Step 6: Final answer
    x = 372,397,158.23

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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.