Home / 609,376,369.46-840,936,760.53-330,915,597.62

Finding the Fourth Proportional to 609,376,369.46, 840,936,760.53 and 330,915,597.62

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Solution

The fourth proportional to 609,376,369.46, 840,936,760.53 and 330,915,597.62 is: 456,662,096.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,376,369.46 : 840,936,760.53 = 330,915,597.62 : x
  2. Step 2: Convert to fraction form
    609,376,369.46/840,936,760.53 = 330,915,597.62/x
  3. Step 3: Cross multiply
    609,376,369.46x = 840,936,760.53 × 330,915,597.62
  4. Step 4: Simplify right side
    609,376,369.46x = 278,279,090,671,411,776
  5. Step 5: Solve for x
    x = 278,279,090,671,411,776/609,376,369.46
  6. Step 6: Final answer
    x = 456,662,096.89

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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.