Home / 40,032,241,821.89-55,245,337,477.92-21,967,599,991.53

Finding the Fourth Proportional to 40,032,241,821.89, 55,245,337,477.92 and 21,967,599,991.53

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Solution

The fourth proportional to 40,032,241,821.89, 55,245,337,477.92 and 21,967,599,991.53 is: 30,315,751,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,032,241,821.89 : 55,245,337,477.92 = 21,967,599,991.53 : x
  2. Step 2: Convert to fraction form
    40,032,241,821.89/55,245,337,477.92 = 21,967,599,991.53/x
  3. Step 3: Cross multiply
    40,032,241,821.89x = 55,245,337,477.92 × 21,967,599,991.53
  4. Step 4: Simplify right side
    40,032,241,821.89x = 1,213,607,475,112,027,357,184
  5. Step 5: Solve for x
    x = 1,213,607,475,112,027,357,184/40,032,241,821.89
  6. Step 6: Final answer
    x = 30,315,751,001.69

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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.