Home / 433,987,969.72-598,832,403.78-255,522,251.78

Finding the Fourth Proportional to 433,987,969.72, 598,832,403.78 and 255,522,251.78

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Solution

The fourth proportional to 433,987,969.72, 598,832,403.78 and 255,522,251.78 is: 352,578,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,987,969.72 : 598,832,403.78 = 255,522,251.78 : x
  2. Step 2: Convert to fraction form
    433,987,969.72/598,832,403.78 = 255,522,251.78/x
  3. Step 3: Cross multiply
    433,987,969.72x = 598,832,403.78 × 255,522,251.78
  4. Step 4: Simplify right side
    433,987,969.72x = 153,015,004,252,695,776
  5. Step 5: Solve for x
    x = 153,015,004,252,695,776/433,987,969.72
  6. Step 6: Final answer
    x = 352,578,907.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.