Home / 533,559,830.40-800,339,745.60-442,860,566.40

Finding the Fourth Proportional to 533,559,830.40, 800,339,745.60 and 442,860,566.40

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Solution

The fourth proportional to 533,559,830.40, 800,339,745.60 and 442,860,566.40 is: 664,290,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,559,830.40 : 800,339,745.60 = 442,860,566.40 : x
  2. Step 2: Convert to fraction form
    533,559,830.40/800,339,745.60 = 442,860,566.40/x
  3. Step 3: Cross multiply
    533,559,830.40x = 800,339,745.60 × 442,860,566.40
  4. Step 4: Simplify right side
    533,559,830.40x = 354,438,913,048,847,872
  5. Step 5: Solve for x
    x = 354,438,913,048,847,872/533,559,830.40
  6. Step 6: Final answer
    x = 664,290,849.60

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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.