Home / 789,270,078.96-1,183,367,019.18-400,342,951.08

Finding the Fourth Proportional to 789,270,078.96, 1,183,367,019.18 and 400,342,951.08

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Solution

The fourth proportional to 789,270,078.96, 1,183,367,019.18 and 400,342,951.08 is: 600,241,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,270,078.96 : 1,183,367,019.18 = 400,342,951.08 : x
  2. Step 2: Convert to fraction form
    789,270,078.96/1,183,367,019.18 = 400,342,951.08/x
  3. Step 3: Cross multiply
    789,270,078.96x = 1,183,367,019.18 × 400,342,951.08
  4. Step 4: Simplify right side
    789,270,078.96x = 473,752,644,669,264,192
  5. Step 5: Solve for x
    x = 473,752,644,669,264,192/789,270,078.96
  6. Step 6: Final answer
    x = 600,241,485.52

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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.