Home / 328,813,296.36-453,762,310.10-196,654,272.48

Finding the Fourth Proportional to 328,813,296.36, 453,762,310.10 and 196,654,272.48

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Solution

The fourth proportional to 328,813,296.36, 453,762,310.10 and 196,654,272.48 is: 271,382,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,813,296.36 : 453,762,310.10 = 196,654,272.48 : x
  2. Step 2: Convert to fraction form
    328,813,296.36/453,762,310.10 = 196,654,272.48/x
  3. Step 3: Cross multiply
    328,813,296.36x = 453,762,310.10 × 196,654,272.48
  4. Step 4: Simplify right side
    328,813,296.36x = 89,234,296,971,559,648
  5. Step 5: Solve for x
    x = 89,234,296,971,559,648/328,813,296.36
  6. Step 6: Final answer
    x = 271,382,872.77

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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.