Home / 709,766,503.44-979,530,794.19-408,444,180.36

Finding the Fourth Proportional to 709,766,503.44, 979,530,794.19 and 408,444,180.36

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Solution

The fourth proportional to 709,766,503.44, 979,530,794.19 and 408,444,180.36 is: 563,683,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,766,503.44 : 979,530,794.19 = 408,444,180.36 : x
  2. Step 2: Convert to fraction form
    709,766,503.44/979,530,794.19 = 408,444,180.36/x
  3. Step 3: Cross multiply
    709,766,503.44x = 979,530,794.19 × 408,444,180.36
  4. Step 4: Simplify right side
    709,766,503.44x = 400,083,652,370,314,432
  5. Step 5: Solve for x
    x = 400,083,652,370,314,432/709,766,503.44
  6. Step 6: Final answer
    x = 563,683,479.61

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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.