Home / 306,198,943,605.85-422,553,068,892.26-169,020,569,905.02

Finding the Fourth Proportional to 306,198,943,605.85, 422,553,068,892.26 and 169,020,569,905.02

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Solution

The fourth proportional to 306,198,943,605.85, 422,553,068,892.26 and 169,020,569,905.02 is: 233,247,573,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,198,943,605.85 : 422,553,068,892.26 = 169,020,569,905.02 : x
  2. Step 2: Convert to fraction form
    306,198,943,605.85/422,553,068,892.26 = 169,020,569,905.02/x
  3. Step 3: Cross multiply
    306,198,943,605.85x = 422,553,068,892.26 × 169,020,569,905.02
  4. Step 4: Simplify right side
    306,198,943,605.85x = 71,420,160,519,284,958,691,328
  5. Step 5: Solve for x
    x = 71,420,160,519,284,958,691,328/306,198,943,605.85
  6. Step 6: Final answer
    x = 233,247,573,222.26

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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.