Home / 853,296,912.60-1,279,425,737.70-335,106,508.20

Finding the Fourth Proportional to 853,296,912.60, 1,279,425,737.70 and 335,106,508.20

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Solution

The fourth proportional to 853,296,912.60, 1,279,425,737.70 and 335,106,508.20 is: 502,455,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,296,912.60 : 1,279,425,737.70 = 335,106,508.20 : x
  2. Step 2: Convert to fraction form
    853,296,912.60/1,279,425,737.70 = 335,106,508.20/x
  3. Step 3: Cross multiply
    853,296,912.60x = 1,279,425,737.70 × 335,106,508.20
  4. Step 4: Simplify right side
    853,296,912.60x = 428,743,891,461,856,128
  5. Step 5: Solve for x
    x = 428,743,891,461,856,128/853,296,912.60
  6. Step 6: Final answer
    x = 502,455,692.89

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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.