Home / 551,721,402.54-761,560,033.71-328,773,021.09

Finding the Fourth Proportional to 551,721,402.54, 761,560,033.71 and 328,773,021.09

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Solution

The fourth proportional to 551,721,402.54, 761,560,033.71 and 328,773,021.09 is: 453,816,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,721,402.54 : 761,560,033.71 = 328,773,021.09 : x
  2. Step 2: Convert to fraction form
    551,721,402.54/761,560,033.71 = 328,773,021.09/x
  3. Step 3: Cross multiply
    551,721,402.54x = 761,560,033.71 × 328,773,021.09
  4. Step 4: Simplify right side
    551,721,402.54x = 250,380,393,024,238,944
  5. Step 5: Solve for x
    x = 250,380,393,024,238,944/551,721,402.54
  6. Step 6: Final answer
    x = 453,816,712.33

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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.