Home / 407,822,793,766.74-611,629,848,172.38-120,913,760,848.92

Finding the Fourth Proportional to 407,822,793,766.74, 611,629,848,172.38 and 120,913,760,848.92

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Solution

The fourth proportional to 407,822,793,766.74, 611,629,848,172.38 and 120,913,760,848.92 is: 181,339,705,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,822,793,766.74 : 611,629,848,172.38 = 120,913,760,848.92 : x
  2. Step 2: Convert to fraction form
    407,822,793,766.74/611,629,848,172.38 = 120,913,760,848.92/x
  3. Step 3: Cross multiply
    407,822,793,766.74x = 611,629,848,172.38 × 120,913,760,848.92
  4. Step 4: Simplify right side
    407,822,793,766.74x = 73,954,465,189,976,405,442,560
  5. Step 5: Solve for x
    x = 73,954,465,189,976,405,442,560/407,822,793,766.74
  6. Step 6: Final answer
    x = 181,339,705,186.45

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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.