Home / 385,120,104.66-577,658,893.77-281,595,397.86

Finding the Fourth Proportional to 385,120,104.66, 577,658,893.77 and 281,595,397.86

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Solution

The fourth proportional to 385,120,104.66, 577,658,893.77 and 281,595,397.86 is: 422,377,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,120,104.66 : 577,658,893.77 = 281,595,397.86 : x
  2. Step 2: Convert to fraction form
    385,120,104.66/577,658,893.77 = 281,595,397.86/x
  3. Step 3: Cross multiply
    385,120,104.66x = 577,658,893.77 × 281,595,397.86
  4. Step 4: Simplify right side
    385,120,104.66x = 162,666,086,018,530,624
  5. Step 5: Solve for x
    x = 162,666,086,018,530,624/385,120,104.66
  6. Step 6: Final answer
    x = 422,377,549.37

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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.