Home / 2,122,123,052.36-2,928,561,840.64-1,218,028,537.28

Finding the Fourth Proportional to 2,122,123,052.36, 2,928,561,840.64 and 1,218,028,537.28

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Solution

The fourth proportional to 2,122,123,052.36, 2,928,561,840.64 and 1,218,028,537.28 is: 1,680,897,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,123,052.36 : 2,928,561,840.64 = 1,218,028,537.28 : x
  2. Step 2: Convert to fraction form
    2,122,123,052.36/2,928,561,840.64 = 1,218,028,537.28/x
  3. Step 3: Cross multiply
    2,122,123,052.36x = 2,928,561,840.64 × 1,218,028,537.28
  4. Step 4: Simplify right side
    2,122,123,052.36x = 3,567,071,895,088,763,392
  5. Step 5: Solve for x
    x = 3,567,071,895,088,763,392/2,122,123,052.36
  6. Step 6: Final answer
    x = 1,680,897,764.68

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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.