Home / 328,198,821.72-452,909,044.80-179,518,642.26

Finding the Fourth Proportional to 328,198,821.72, 452,909,044.80 and 179,518,642.26

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Solution

The fourth proportional to 328,198,821.72, 452,909,044.80 and 179,518,642.26 is: 247,732,811.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,198,821.72 : 452,909,044.80 = 179,518,642.26 : x
  2. Step 2: Convert to fraction form
    328,198,821.72/452,909,044.80 = 179,518,642.26/x
  3. Step 3: Cross multiply
    328,198,821.72x = 452,909,044.80 × 179,518,642.26
  4. Step 4: Simplify right side
    328,198,821.72x = 81,305,616,789,769,504
  5. Step 5: Solve for x
    x = 81,305,616,789,769,504/328,198,821.72
  6. Step 6: Final answer
    x = 247,732,811.36

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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.