Home / 533,779,540.90-800,669,311.35-327,155,280.10

Finding the Fourth Proportional to 533,779,540.90, 800,669,311.35 and 327,155,280.10

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Solution

The fourth proportional to 533,779,540.90, 800,669,311.35 and 327,155,280.10 is: 490,732,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,779,540.90 : 800,669,311.35 = 327,155,280.10 : x
  2. Step 2: Convert to fraction form
    533,779,540.90/800,669,311.35 = 327,155,280.10/x
  3. Step 3: Cross multiply
    533,779,540.90x = 800,669,311.35 × 327,155,280.10
  4. Step 4: Simplify right side
    533,779,540.90x = 261,943,192,822,183,392
  5. Step 5: Solve for x
    x = 261,943,192,822,183,392/533,779,540.90
  6. Step 6: Final answer
    x = 490,732,920.15

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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.