Home / 521,520,782,502.30-782,281,173,753.45-362,833,350,207.90

Finding the Fourth Proportional to 521,520,782,502.30, 782,281,173,753.45 and 362,833,350,207.90

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Solution

The fourth proportional to 521,520,782,502.30, 782,281,173,753.45 and 362,833,350,207.90 is: 544,250,025,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,782,502.30 : 782,281,173,753.45 = 362,833,350,207.90 : x
  2. Step 2: Convert to fraction form
    521,520,782,502.30/782,281,173,753.45 = 362,833,350,207.90/x
  3. Step 3: Cross multiply
    521,520,782,502.30x = 782,281,173,753.45 × 362,833,350,207.90
  4. Step 4: Simplify right side
    521,520,782,502.30x = 283,837,699,077,532,601,548,800
  5. Step 5: Solve for x
    x = 283,837,699,077,532,601,548,800/521,520,782,502.30
  6. Step 6: Final answer
    x = 544,250,025,311.85

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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.