Home / 354,825,719.80-532,238,579.70-259,274,231.80

Finding the Fourth Proportional to 354,825,719.80, 532,238,579.70 and 259,274,231.80

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Solution

The fourth proportional to 354,825,719.80, 532,238,579.70 and 259,274,231.80 is: 388,911,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,825,719.80 : 532,238,579.70 = 259,274,231.80 : x
  2. Step 2: Convert to fraction form
    354,825,719.80/532,238,579.70 = 259,274,231.80/x
  3. Step 3: Cross multiply
    354,825,719.80x = 532,238,579.70 × 259,274,231.80
  4. Step 4: Simplify right side
    354,825,719.80x = 137,995,748,886,040,576
  5. Step 5: Solve for x
    x = 137,995,748,886,040,576/354,825,719.80
  6. Step 6: Final answer
    x = 388,911,347.70

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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.