Home / 383,243,751.84-528,876,847.75-207,031,743.55

Finding the Fourth Proportional to 383,243,751.84, 528,876,847.75 and 207,031,743.55

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Solution

The fourth proportional to 383,243,751.84, 528,876,847.75 and 207,031,743.55 is: 285,704,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,243,751.84 : 528,876,847.75 = 207,031,743.55 : x
  2. Step 2: Convert to fraction form
    383,243,751.84/528,876,847.75 = 207,031,743.55/x
  3. Step 3: Cross multiply
    383,243,751.84x = 528,876,847.75 × 207,031,743.55
  4. Step 4: Simplify right side
    383,243,751.84x = 109,494,295,913,444,288
  5. Step 5: Solve for x
    x = 109,494,295,913,444,288/383,243,751.84
  6. Step 6: Final answer
    x = 285,704,060.11

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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.