Home / 349,921,403.20-524,882,104.80-259,222,139.20

Finding the Fourth Proportional to 349,921,403.20, 524,882,104.80 and 259,222,139.20

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Solution

The fourth proportional to 349,921,403.20, 524,882,104.80 and 259,222,139.20 is: 388,833,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,921,403.20 : 524,882,104.80 = 259,222,139.20 : x
  2. Step 2: Convert to fraction form
    349,921,403.20/524,882,104.80 = 259,222,139.20/x
  3. Step 3: Cross multiply
    349,921,403.20x = 524,882,104.80 × 259,222,139.20
  4. Step 4: Simplify right side
    349,921,403.20x = 136,061,062,034,054,592
  5. Step 5: Solve for x
    x = 136,061,062,034,054,592/349,921,403.20
  6. Step 6: Final answer
    x = 388,833,208.80

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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.