Home / 418,886,076,101.60-628,417,359,310.80-135,882,821,704.16

Finding the Fourth Proportional to 418,886,076,101.60, 628,417,359,310.80 and 135,882,821,704.16

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Solution

The fourth proportional to 418,886,076,101.60, 628,417,359,310.80 and 135,882,821,704.16 is: 203,852,858,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,886,076,101.60 : 628,417,359,310.80 = 135,882,821,704.16 : x
  2. Step 2: Convert to fraction form
    418,886,076,101.60/628,417,359,310.80 = 135,882,821,704.16/x
  3. Step 3: Cross multiply
    418,886,076,101.60x = 628,417,359,310.80 × 135,882,821,704.16
  4. Step 4: Simplify right side
    418,886,076,101.60x = 85,391,123,991,028,501,053,440
  5. Step 5: Solve for x
    x = 85,391,123,991,028,501,053,440/418,886,076,101.60
  6. Step 6: Final answer
    x = 203,852,858,480.59

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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.