Home / 21,022,222,532.58-29,010,848,009.13-11,990,438,123.22

Finding the Fourth Proportional to 21,022,222,532.58, 29,010,848,009.13 and 11,990,438,123.22

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Solution

The fourth proportional to 21,022,222,532.58, 29,010,848,009.13 and 11,990,438,123.22 is: 16,546,907,798.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022,222,532.58 : 29,010,848,009.13 = 11,990,438,123.22 : x
  2. Step 2: Convert to fraction form
    21,022,222,532.58/29,010,848,009.13 = 11,990,438,123.22/x
  3. Step 3: Cross multiply
    21,022,222,532.58x = 29,010,848,009.13 × 11,990,438,123.22
  4. Step 4: Simplify right side
    21,022,222,532.58x = 347,852,777,955,613,409,280
  5. Step 5: Solve for x
    x = 347,852,777,955,613,409,280/21,022,222,532.58
  6. Step 6: Final answer
    x = 16,546,907,798.00

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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.