Home / 808,332,661.92-1,212,490,909.67-255,635,184.44

Finding the Fourth Proportional to 808,332,661.92, 1,212,490,909.67 and 255,635,184.44

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Solution

The fourth proportional to 808,332,661.92, 1,212,490,909.67 and 255,635,184.44 is: 383,450,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,332,661.92 : 1,212,490,909.67 = 255,635,184.44 : x
  2. Step 2: Convert to fraction form
    808,332,661.92/1,212,490,909.67 = 255,635,184.44/x
  3. Step 3: Cross multiply
    808,332,661.92x = 1,212,490,909.67 × 255,635,184.44
  4. Step 4: Simplify right side
    808,332,661.92x = 309,955,337,325,313,856
  5. Step 5: Solve for x
    x = 309,955,337,325,313,856/808,332,661.92
  6. Step 6: Final answer
    x = 383,450,220.35

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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.