Home / 533,559,843.40-800,339,765.10-442,860,579.40

Finding the Fourth Proportional to 533,559,843.40, 800,339,765.10 and 442,860,579.40

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Solution

The fourth proportional to 533,559,843.40, 800,339,765.10 and 442,860,579.40 is: 664,290,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,559,843.40 : 800,339,765.10 = 442,860,579.40 : x
  2. Step 2: Convert to fraction form
    533,559,843.40/800,339,765.10 = 442,860,579.40/x
  3. Step 3: Cross multiply
    533,559,843.40x = 800,339,765.10 × 442,860,579.40
  4. Step 4: Simplify right side
    533,559,843.40x = 354,438,932,089,045,888
  5. Step 5: Solve for x
    x = 354,438,932,089,045,888/533,559,843.40
  6. Step 6: Final answer
    x = 664,290,869.10

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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.