Home / 909,327,651.37-1,363,985,753.46-489,346,853.54

Finding the Fourth Proportional to 909,327,651.37, 1,363,985,753.46 and 489,346,853.54

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Solution

The fourth proportional to 909,327,651.37, 1,363,985,753.46 and 489,346,853.54 is: 734,017,200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,327,651.37 : 1,363,985,753.46 = 489,346,853.54 : x
  2. Step 2: Convert to fraction form
    909,327,651.37/1,363,985,753.46 = 489,346,853.54/x
  3. Step 3: Cross multiply
    909,327,651.37x = 1,363,985,753.46 × 489,346,853.54
  4. Step 4: Simplify right side
    909,327,651.37x = 667,462,136,729,037,184
  5. Step 5: Solve for x
    x = 667,462,136,729,037,184/909,327,651.37
  6. Step 6: Final answer
    x = 734,017,200.21

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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.