Home / 420,246,391.32-579,933,966.31-232,082,646.95

Finding the Fourth Proportional to 420,246,391.32, 579,933,966.31 and 232,082,646.95

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Solution

The fourth proportional to 420,246,391.32, 579,933,966.31 and 232,082,646.95 is: 320,270,709.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,246,391.32 : 579,933,966.31 = 232,082,646.95 : x
  2. Step 2: Convert to fraction form
    420,246,391.32/579,933,966.31 = 232,082,646.95/x
  3. Step 3: Cross multiply
    420,246,391.32x = 579,933,966.31 × 232,082,646.95
  4. Step 4: Simplify right side
    420,246,391.32x = 134,592,609,958,311,200
  5. Step 5: Solve for x
    x = 134,592,609,958,311,200/420,246,391.32
  6. Step 6: Final answer
    x = 320,270,709.61

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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.