Home / 703,298,712.48-1,055,045,079.66-408,332,745.66

Finding the Fourth Proportional to 703,298,712.48, 1,055,045,079.66 and 408,332,745.66

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Solution

The fourth proportional to 703,298,712.48, 1,055,045,079.66 and 408,332,745.66 is: 612,555,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,298,712.48 : 1,055,045,079.66 = 408,332,745.66 : x
  2. Step 2: Convert to fraction form
    703,298,712.48/1,055,045,079.66 = 408,332,745.66/x
  3. Step 3: Cross multiply
    703,298,712.48x = 1,055,045,079.66 × 408,332,745.66
  4. Step 4: Simplify right side
    703,298,712.48x = 430,809,454,178,108,480
  5. Step 5: Solve for x
    x = 430,809,454,178,108,480/703,298,712.48
  6. Step 6: Final answer
    x = 612,555,442.71

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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.