Home / 521,520,782,469.80-782,281,173,704.70-362,833,350,175.40

Finding the Fourth Proportional to 521,520,782,469.80, 782,281,173,704.70 and 362,833,350,175.40

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Solution

The fourth proportional to 521,520,782,469.80, 782,281,173,704.70 and 362,833,350,175.40 is: 544,250,025,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,782,469.80 : 782,281,173,704.70 = 362,833,350,175.40 : x
  2. Step 2: Convert to fraction form
    521,520,782,469.80/782,281,173,704.70 = 362,833,350,175.40/x
  3. Step 3: Cross multiply
    521,520,782,469.80x = 782,281,173,704.70 × 362,833,350,175.40
  4. Step 4: Simplify right side
    521,520,782,469.80x = 283,837,699,034,420,323,811,328
  5. Step 5: Solve for x
    x = 283,837,699,034,420,323,811,328/521,520,782,469.80
  6. Step 6: Final answer
    x = 544,250,025,263.10

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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.