Home / 533,559,900.40-800,339,850.60-442,860,636.40

Finding the Fourth Proportional to 533,559,900.40, 800,339,850.60 and 442,860,636.40

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Solution

The fourth proportional to 533,559,900.40, 800,339,850.60 and 442,860,636.40 is: 664,290,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,559,900.40 : 800,339,850.60 = 442,860,636.40 : x
  2. Step 2: Convert to fraction form
    533,559,900.40/800,339,850.60 = 442,860,636.40/x
  3. Step 3: Cross multiply
    533,559,900.40x = 800,339,850.60 × 442,860,636.40
  4. Step 4: Simplify right side
    533,559,900.40x = 354,439,015,572,996,928
  5. Step 5: Solve for x
    x = 354,439,015,572,996,928/533,559,900.40
  6. Step 6: Final answer
    x = 664,290,954.60

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Similar ratio
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1.5x scale

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.