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Finding the Fourth Proportional to 359,777,398.68, 496,494,420.48 and 194,764,967.64

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Solution

The fourth proportional to 359,777,398.68, 496,494,420.48 and 194,764,967.64 is: 268,776,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,777,398.68 : 496,494,420.48 = 194,764,967.64 : x
  2. Step 2: Convert to fraction form
    359,777,398.68/496,494,420.48 = 194,764,967.64/x
  3. Step 3: Cross multiply
    359,777,398.68x = 496,494,420.48 × 194,764,967.64
  4. Step 4: Simplify right side
    359,777,398.68x = 96,699,719,738,227,744
  5. Step 5: Solve for x
    x = 96,699,719,738,227,744/359,777,398.68
  6. Step 6: Final answer
    x = 268,776,527.08

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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.