Home / 359,069,653.26-538,760,019.30-192,879,240.75

Finding the Fourth Proportional to 359,069,653.26, 538,760,019.30 and 192,879,240.75

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Solution

The fourth proportional to 359,069,653.26, 538,760,019.30 and 192,879,240.75 is: 289,402,411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,069,653.26 : 538,760,019.30 = 192,879,240.75 : x
  2. Step 2: Convert to fraction form
    359,069,653.26/538,760,019.30 = 192,879,240.75/x
  3. Step 3: Cross multiply
    359,069,653.26x = 538,760,019.30 × 192,879,240.75
  4. Step 4: Simplify right side
    359,069,653.26x = 103,915,623,469,039,344
  5. Step 5: Solve for x
    x = 103,915,623,469,039,344/359,069,653.26
  6. Step 6: Final answer
    x = 289,402,411.27

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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.