Home / 941,010,002.70-1,411,515,004.05-865,763,205.90

Finding the Fourth Proportional to 941,010,002.70, 1,411,515,004.05 and 865,763,205.90

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Solution

The fourth proportional to 941,010,002.70, 1,411,515,004.05 and 865,763,205.90 is: 1,298,644,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,010,002.70 : 1,411,515,004.05 = 865,763,205.90 : x
  2. Step 2: Convert to fraction form
    941,010,002.70/1,411,515,004.05 = 865,763,205.90/x
  3. Step 3: Cross multiply
    941,010,002.70x = 1,411,515,004.05 × 865,763,205.90
  4. Step 4: Simplify right side
    941,010,002.70x = 1,222,037,755,082,279,424
  5. Step 5: Solve for x
    x = 1,222,037,755,082,279,424/941,010,002.70
  6. Step 6: Final answer
    x = 1,298,644,808.85

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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.