Home / 289,092,733,960.38-398,957,540,472.35-158,886,203,783.91

Finding the Fourth Proportional to 289,092,733,960.38, 398,957,540,472.35 and 158,886,203,783.91

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Solution

The fourth proportional to 289,092,733,960.38, 398,957,540,472.35 and 158,886,203,783.91 is: 219,268,219,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,092,733,960.38 : 398,957,540,472.35 = 158,886,203,783.91 : x
  2. Step 2: Convert to fraction form
    289,092,733,960.38/398,957,540,472.35 = 158,886,203,783.91/x
  3. Step 3: Cross multiply
    289,092,733,960.38x = 398,957,540,472.35 × 158,886,203,783.91
  4. Step 4: Simplify right side
    289,092,733,960.38x = 63,388,849,076,617,321,906,176
  5. Step 5: Solve for x
    x = 63,388,849,076,617,321,906,176/289,092,733,960.38
  6. Step 6: Final answer
    x = 219,268,219,606.32

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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.