Home / 372,992,007.20-559,488,010.80-349,104,135.20

Finding the Fourth Proportional to 372,992,007.20, 559,488,010.80 and 349,104,135.20

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Solution

The fourth proportional to 372,992,007.20, 559,488,010.80 and 349,104,135.20 is: 523,656,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,992,007.20 : 559,488,010.80 = 349,104,135.20 : x
  2. Step 2: Convert to fraction form
    372,992,007.20/559,488,010.80 = 349,104,135.20/x
  3. Step 3: Cross multiply
    372,992,007.20x = 559,488,010.80 × 349,104,135.20
  4. Step 4: Simplify right side
    372,992,007.20x = 195,319,578,165,102,240
  5. Step 5: Solve for x
    x = 195,319,578,165,102,240/372,992,007.20
  6. Step 6: Final answer
    x = 523,656,202.80

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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.