Home / 533,559,993.90-800,339,990.85-442,860,729.90

Finding the Fourth Proportional to 533,559,993.90, 800,339,990.85 and 442,860,729.90

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Solution

The fourth proportional to 533,559,993.90, 800,339,990.85 and 442,860,729.90 is: 664,291,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,559,993.90 : 800,339,990.85 = 442,860,729.90 : x
  2. Step 2: Convert to fraction form
    533,559,993.90/800,339,990.85 = 442,860,729.90/x
  3. Step 3: Cross multiply
    533,559,993.90x = 800,339,990.85 × 442,860,729.90
  4. Step 4: Simplify right side
    533,559,993.90x = 354,439,152,515,990,336
  5. Step 5: Solve for x
    x = 354,439,152,515,990,336/533,559,993.90
  6. Step 6: Final answer
    x = 664,291,094.85

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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.