Home / 812,050,690.93-1,120,600,958.66-459,619,114.88

Finding the Fourth Proportional to 812,050,690.93, 1,120,600,958.66 and 459,619,114.88

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Solution

The fourth proportional to 812,050,690.93, 1,120,600,958.66 and 459,619,114.88 is: 634,257,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,050,690.93 : 1,120,600,958.66 = 459,619,114.88 : x
  2. Step 2: Convert to fraction form
    812,050,690.93/1,120,600,958.66 = 459,619,114.88/x
  3. Step 3: Cross multiply
    812,050,690.93x = 1,120,600,958.66 × 459,619,114.88
  4. Step 4: Simplify right side
    812,050,690.93x = 515,049,620,755,238,592
  5. Step 5: Solve for x
    x = 515,049,620,755,238,592/812,050,690.93
  6. Step 6: Final answer
    x = 634,257,967.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.