Home / 681,089,497,646.50-939,460,635,857.85-436,832,078,205.49

Finding the Fourth Proportional to 681,089,497,646.50, 939,460,635,857.85 and 436,832,078,205.49

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Solution

The fourth proportional to 681,089,497,646.50, 939,460,635,857.85 and 436,832,078,205.49 is: 602,544,222,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,089,497,646.50 : 939,460,635,857.85 = 436,832,078,205.49 : x
  2. Step 2: Convert to fraction form
    681,089,497,646.50/939,460,635,857.85 = 436,832,078,205.49/x
  3. Step 3: Cross multiply
    681,089,497,646.50x = 939,460,635,857.85 × 436,832,078,205.49
  4. Step 4: Simplify right side
    681,089,497,646.50x = 410,386,541,954,035,640,958,976
  5. Step 5: Solve for x
    x = 410,386,541,954,035,640,958,976/681,089,497,646.50
  6. Step 6: Final answer
    x = 602,544,222,708.06

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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.