Home / 40,032,241,820.89-55,245,337,476.54-21,967,599,990.53

Finding the Fourth Proportional to 40,032,241,820.89, 55,245,337,476.54 and 21,967,599,990.53

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Solution

The fourth proportional to 40,032,241,820.89, 55,245,337,476.54 and 21,967,599,990.53 is: 30,315,751,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,032,241,820.89 : 55,245,337,476.54 = 21,967,599,990.53 : x
  2. Step 2: Convert to fraction form
    40,032,241,820.89/55,245,337,476.54 = 21,967,599,990.53/x
  3. Step 3: Cross multiply
    40,032,241,820.89x = 55,245,337,476.54 × 21,967,599,990.53
  4. Step 4: Simplify right side
    40,032,241,820.89x = 1,213,607,475,026,632,638,464
  5. Step 5: Solve for x
    x = 1,213,607,475,026,632,638,464/40,032,241,820.89
  6. Step 6: Final answer
    x = 30,315,751,000.32

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Double scale
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1.5x scale

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.