Home / 505,019,793.60-757,529,690.40-489,903,249.60

Finding the Fourth Proportional to 505,019,793.60, 757,529,690.40 and 489,903,249.60

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Solution

The fourth proportional to 505,019,793.60, 757,529,690.40 and 489,903,249.60 is: 734,854,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,019,793.60 : 757,529,690.40 = 489,903,249.60 : x
  2. Step 2: Convert to fraction form
    505,019,793.60/757,529,690.40 = 489,903,249.60/x
  3. Step 3: Cross multiply
    505,019,793.60x = 757,529,690.40 × 489,903,249.60
  4. Step 4: Simplify right side
    505,019,793.60x = 371,116,256,995,441,920
  5. Step 5: Solve for x
    x = 371,116,256,995,441,920/505,019,793.60
  6. Step 6: Final answer
    x = 734,854,874.40

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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.