Home / 551,856,321.54-827,451,065.12-219,914,397.86

Finding the Fourth Proportional to 551,856,321.54, 827,451,065.12 and 219,914,397.86

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Solution

The fourth proportional to 551,856,321.54, 827,451,065.12 and 219,914,397.86 is: 329,738,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,856,321.54 : 827,451,065.12 = 219,914,397.86 : x
  2. Step 2: Convert to fraction form
    551,856,321.54/827,451,065.12 = 219,914,397.86/x
  3. Step 3: Cross multiply
    551,856,321.54x = 827,451,065.12 × 219,914,397.86
  4. Step 4: Simplify right side
    551,856,321.54x = 181,968,402,739,243,616
  5. Step 5: Solve for x
    x = 181,968,402,739,243,616/551,856,321.54
  6. Step 6: Final answer
    x = 329,738,730.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.