Home / 356,095,483.72-491,651,590.44-222,337,082.02

Finding the Fourth Proportional to 356,095,483.72, 491,651,590.44 and 222,337,082.02

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Solution

The fourth proportional to 356,095,483.72, 491,651,590.44 and 222,337,082.02 is: 306,974,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,095,483.72 : 491,651,590.44 = 222,337,082.02 : x
  2. Step 2: Convert to fraction form
    356,095,483.72/491,651,590.44 = 222,337,082.02/x
  3. Step 3: Cross multiply
    356,095,483.72x = 491,651,590.44 × 222,337,082.02
  4. Step 4: Simplify right side
    356,095,483.72x = 109,312,379,988,921,728
  5. Step 5: Solve for x
    x = 109,312,379,988,921,728/356,095,483.72
  6. Step 6: Final answer
    x = 306,974,912.59

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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.