Home / 325,050,408,048.30-487,575,612,072.45-212,078,593,455.90

Finding the Fourth Proportional to 325,050,408,048.30, 487,575,612,072.45 and 212,078,593,455.90

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Solution

The fourth proportional to 325,050,408,048.30, 487,575,612,072.45 and 212,078,593,455.90 is: 318,117,890,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,050,408,048.30 : 487,575,612,072.45 = 212,078,593,455.90 : x
  2. Step 2: Convert to fraction form
    325,050,408,048.30/487,575,612,072.45 = 212,078,593,455.90/x
  3. Step 3: Cross multiply
    325,050,408,048.30x = 487,575,612,072.45 × 212,078,593,455.90
  4. Step 4: Simplify right side
    325,050,408,048.30x = 103,404,350,011,724,730,990,592
  5. Step 5: Solve for x
    x = 103,404,350,011,724,730,990,592/325,050,408,048.30
  6. Step 6: Final answer
    x = 318,117,890,183.85

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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.