Home / 425,698,650,863.35-587,467,801,120.57-242,805,012,615.35

Finding the Fourth Proportional to 425,698,650,863.35, 587,467,801,120.57 and 242,805,012,615.35

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Solution

The fourth proportional to 425,698,650,863.35, 587,467,801,120.57 and 242,805,012,615.35 is: 335,073,006,627.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,698,650,863.35 : 587,467,801,120.57 = 242,805,012,615.35 : x
  2. Step 2: Convert to fraction form
    425,698,650,863.35/587,467,801,120.57 = 242,805,012,615.35/x
  3. Step 3: Cross multiply
    425,698,650,863.35x = 587,467,801,120.57 × 242,805,012,615.35
  4. Step 4: Simplify right side
    425,698,650,863.35x = 142,640,126,862,191,910,453,248
  5. Step 5: Solve for x
    x = 142,640,126,862,191,910,453,248/425,698,650,863.35
  6. Step 6: Final answer
    x = 335,073,006,627.83

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Double scale
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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.