Home / 522,319,704.06-720,393,180.73-323,969,979.63

Finding the Fourth Proportional to 522,319,704.06, 720,393,180.73 and 323,969,979.63

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Solution

The fourth proportional to 522,319,704.06, 720,393,180.73 and 323,969,979.63 is: 446,825,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,319,704.06 : 720,393,180.73 = 323,969,979.63 : x
  2. Step 2: Convert to fraction form
    522,319,704.06/720,393,180.73 = 323,969,979.63/x
  3. Step 3: Cross multiply
    522,319,704.06x = 720,393,180.73 × 323,969,979.63
  4. Step 4: Simplify right side
    522,319,704.06x = 233,385,764,085,879,072
  5. Step 5: Solve for x
    x = 233,385,764,085,879,072/522,319,704.06
  6. Step 6: Final answer
    x = 446,825,502.22

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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.