Home / 279,907,718.32-386,349,480.40-162,470,883.04

Finding the Fourth Proportional to 279,907,718.32, 386,349,480.40 and 162,470,883.04

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Solution

The fourth proportional to 279,907,718.32, 386,349,480.40 and 162,470,883.04 is: 224,254,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,907,718.32 : 386,349,480.40 = 162,470,883.04 : x
  2. Step 2: Convert to fraction form
    279,907,718.32/386,349,480.40 = 162,470,883.04/x
  3. Step 3: Cross multiply
    279,907,718.32x = 386,349,480.40 × 162,470,883.04
  4. Step 4: Simplify right side
    279,907,718.32x = 62,770,541,242,633,168
  5. Step 5: Solve for x
    x = 62,770,541,242,633,168/279,907,718.32
  6. Step 6: Final answer
    x = 224,254,413.63

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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.