Home / 551,413,400.88-761,063,410.20-328,525,651.44

Finding the Fourth Proportional to 551,413,400.88, 761,063,410.20 and 328,525,651.44

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Solution

The fourth proportional to 551,413,400.88, 761,063,410.20 and 328,525,651.44 is: 453,432,673.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,413,400.88 : 761,063,410.20 = 328,525,651.44 : x
  2. Step 2: Convert to fraction form
    551,413,400.88/761,063,410.20 = 328,525,651.44/x
  3. Step 3: Cross multiply
    551,413,400.88x = 761,063,410.20 × 328,525,651.44
  4. Step 4: Simplify right side
    551,413,400.88x = 250,028,852,623,102,944
  5. Step 5: Solve for x
    x = 250,028,852,623,102,944/551,413,400.88
  6. Step 6: Final answer
    x = 453,432,673.61

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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.