Home / 847,040,812.12-1,168,951,462.50-470,695,994.20

Finding the Fourth Proportional to 847,040,812.12, 1,168,951,462.50 and 470,695,994.20

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Solution

The fourth proportional to 847,040,812.12, 1,168,951,462.50 and 470,695,994.20 is: 649,580,000.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,040,812.12 : 1,168,951,462.50 = 470,695,994.20 : x
  2. Step 2: Convert to fraction form
    847,040,812.12/1,168,951,462.50 = 470,695,994.20/x
  3. Step 3: Cross multiply
    847,040,812.12x = 1,168,951,462.50 × 470,695,994.20
  4. Step 4: Simplify right side
    847,040,812.12x = 550,220,770,812,981,504
  5. Step 5: Solve for x
    x = 550,220,770,812,981,504/847,040,812.12
  6. Step 6: Final answer
    x = 649,580,000.09

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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.