Home / 405,522,051.92-559,631,435.52-229,336,394

Finding the Fourth Proportional to 405,522,051.92, 559,631,435.52 and 229,336,394

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Solution

The fourth proportional to 405,522,051.92, 559,631,435.52 and 229,336,394 is: 316,490,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,522,051.92 : 559,631,435.52 = 229,336,394 : x
  2. Step 2: Convert to fraction form
    405,522,051.92/559,631,435.52 = 229,336,394/x
  3. Step 3: Cross multiply
    405,522,051.92x = 559,631,435.52 × 229,336,394
  4. Step 4: Simplify right side
    405,522,051.92x = 128,343,855,391,200,304
  5. Step 5: Solve for x
    x = 128,343,855,391,200,304/405,522,051.92
  6. Step 6: Final answer
    x = 316,490,446.78

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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.