Home / 640,364,193,417.29-960,512,460,276.45-210,044,594,879.41

Finding the Fourth Proportional to 640,364,193,417.29, 960,512,460,276.45 and 210,044,594,879.41

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Solution

The fourth proportional to 640,364,193,417.29, 960,512,460,276.45 and 210,044,594,879.41 is: 315,055,795,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,364,193,417.29 : 960,512,460,276.45 = 210,044,594,879.41 : x
  2. Step 2: Convert to fraction form
    640,364,193,417.29/960,512,460,276.45 = 210,044,594,879.41/x
  3. Step 3: Cross multiply
    640,364,193,417.29x = 960,512,460,276.45 × 210,044,594,879.41
  4. Step 4: Simplify right side
    640,364,193,417.29x = 201,750,450,595,392,332,496,896
  5. Step 5: Solve for x
    x = 201,750,450,595,392,332,496,896/640,364,193,417.29
  6. Step 6: Final answer
    x = 315,055,795,856.97

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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.