Home / 646,445,801,796.20-969,669,635,941.05-263,989,877,109.95

Finding the Fourth Proportional to 646,445,801,796.20, 969,669,635,941.05 and 263,989,877,109.95

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Solution

The fourth proportional to 646,445,801,796.20, 969,669,635,941.05 and 263,989,877,109.95 is: 395,985,196,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,445,801,796.20 : 969,669,635,941.05 = 263,989,877,109.95 : x
  2. Step 2: Convert to fraction form
    646,445,801,796.20/969,669,635,941.05 = 263,989,877,109.95/x
  3. Step 3: Cross multiply
    646,445,801,796.20x = 969,669,635,941.05 × 263,989,877,109.95
  4. Step 4: Simplify right side
    646,445,801,796.20x = 255,982,968,029,327,755,575,296
  5. Step 5: Solve for x
    x = 255,982,968,029,327,755,575,296/646,445,801,796.20
  6. Step 6: Final answer
    x = 395,985,196,776.06

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Double scale
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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.