Home / 418,886,075,619.96-628,417,358,661.24-135,882,821,416.92

Finding the Fourth Proportional to 418,886,075,619.96, 628,417,358,661.24 and 135,882,821,416.92

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Solution

The fourth proportional to 418,886,075,619.96, 628,417,358,661.24 and 135,882,821,416.92 is: 203,852,858,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,886,075,619.96 : 628,417,358,661.24 = 135,882,821,416.92 : x
  2. Step 2: Convert to fraction form
    418,886,075,619.96/628,417,358,661.24 = 135,882,821,416.92/x
  3. Step 3: Cross multiply
    418,886,075,619.96x = 628,417,358,661.24 × 135,882,821,416.92
  4. Step 4: Simplify right side
    418,886,075,619.96x = 85,391,123,722,257,836,277,760
  5. Step 5: Solve for x
    x = 85,391,123,722,257,836,277,760/418,886,075,619.96
  6. Step 6: Final answer
    x = 203,852,858,073.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.