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Finding the Fourth Proportional to 661,589,829.48, 912,977,277.84 and 364,229,103

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Solution

The fourth proportional to 661,589,829.48, 912,977,277.84 and 364,229,103 is: 502,626,975.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,589,829.48 : 912,977,277.84 = 364,229,103 : x
  2. Step 2: Convert to fraction form
    661,589,829.48/912,977,277.84 = 364,229,103/x
  3. Step 3: Cross multiply
    661,589,829.48x = 912,977,277.84 × 364,229,103
  4. Step 4: Simplify right side
    661,589,829.48x = 332,532,894,967,044,992
  5. Step 5: Solve for x
    x = 332,532,894,967,044,992/661,589,829.48
  6. Step 6: Final answer
    x = 502,626,975.43

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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.