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Finding the Fourth Proportional to 440,824,915.04, 608,343,978.96 and 242,609,231.84

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Solution

The fourth proportional to 440,824,915.04, 608,343,978.96 and 242,609,231.84 is: 334,803,819.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,824,915.04 : 608,343,978.96 = 242,609,231.84 : x
  2. Step 2: Convert to fraction form
    440,824,915.04/608,343,978.96 = 242,609,231.84/x
  3. Step 3: Cross multiply
    440,824,915.04x = 608,343,978.96 × 242,609,231.84
  4. Step 4: Simplify right side
    440,824,915.04x = 147,589,865,429,974,720
  5. Step 5: Solve for x
    x = 147,589,865,429,974,720/440,824,915.04
  6. Step 6: Final answer
    x = 334,803,819.83

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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.