Home / 321,685,014.32-444,079,509.48-198,031,684.40

Finding the Fourth Proportional to 321,685,014.32, 444,079,509.48 and 198,031,684.40

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Solution

The fourth proportional to 321,685,014.32, 444,079,509.48 and 198,031,684.40 is: 273,378,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,685,014.32 : 444,079,509.48 = 198,031,684.40 : x
  2. Step 2: Convert to fraction form
    321,685,014.32/444,079,509.48 = 198,031,684.40/x
  3. Step 3: Cross multiply
    321,685,014.32x = 444,079,509.48 × 198,031,684.40
  4. Step 4: Simplify right side
    321,685,014.32x = 87,941,813,269,850,176
  5. Step 5: Solve for x
    x = 87,941,813,269,850,176/321,685,014.32
  6. Step 6: Final answer
    x = 273,378,644.81

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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.