Home / 420,246,379.95-579,933,950.62-232,082,635.59

Finding the Fourth Proportional to 420,246,379.95, 579,933,950.62 and 232,082,635.59

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Solution

The fourth proportional to 420,246,379.95, 579,933,950.62 and 232,082,635.59 is: 320,270,693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,246,379.95 : 579,933,950.62 = 232,082,635.59 : x
  2. Step 2: Convert to fraction form
    420,246,379.95/579,933,950.62 = 232,082,635.59/x
  3. Step 3: Cross multiply
    420,246,379.95x = 579,933,950.62 × 232,082,635.59
  4. Step 4: Simplify right side
    420,246,379.95x = 134,592,599,728,010,512
  5. Step 5: Solve for x
    x = 134,592,599,728,010,512/420,246,379.95
  6. Step 6: Final answer
    x = 320,270,693.93

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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.