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Finding the Fourth Proportional to 479,809,800.84, 719,980,274.12 and 234,168,470.42

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Solution

The fourth proportional to 479,809,800.84, 719,980,274.12 and 234,168,470.42 is: 351,382,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,809,800.84 : 719,980,274.12 = 234,168,470.42 : x
  2. Step 2: Convert to fraction form
    479,809,800.84/719,980,274.12 = 234,168,470.42/x
  3. Step 3: Cross multiply
    479,809,800.84x = 719,980,274.12 × 234,168,470.42
  4. Step 4: Simplify right side
    479,809,800.84x = 168,596,679,523,252,704
  5. Step 5: Solve for x
    x = 168,596,679,523,252,704/479,809,800.84
  6. Step 6: Final answer
    x = 351,382,316.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.