Home / 258,922,447.20-388,383,670.80-232,944,386.40

Finding the Fourth Proportional to 258,922,447.20, 388,383,670.80 and 232,944,386.40

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Solution

The fourth proportional to 258,922,447.20, 388,383,670.80 and 232,944,386.40 is: 349,416,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,922,447.20 : 388,383,670.80 = 232,944,386.40 : x
  2. Step 2: Convert to fraction form
    258,922,447.20/388,383,670.80 = 232,944,386.40/x
  3. Step 3: Cross multiply
    258,922,447.20x = 388,383,670.80 × 232,944,386.40
  4. Step 4: Simplify right side
    258,922,447.20x = 90,471,795,882,285,600
  5. Step 5: Solve for x
    x = 90,471,795,882,285,600/258,922,447.20
  6. Step 6: Final answer
    x = 349,416,579.60

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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.