Home / 440,512,449.60-660,173,442.66-167,734,413.12

Finding the Fourth Proportional to 440,512,449.60, 660,173,442.66 and 167,734,413.12

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Solution

The fourth proportional to 440,512,449.60, 660,173,442.66 and 167,734,413.12 is: 251,374,972.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,512,449.60 : 660,173,442.66 = 167,734,413.12 : x
  2. Step 2: Convert to fraction form
    440,512,449.60/660,173,442.66 = 167,734,413.12/x
  3. Step 3: Cross multiply
    440,512,449.60x = 660,173,442.66 × 167,734,413.12
  4. Step 4: Simplify right side
    440,512,449.60x = 110,733,804,961,985,072
  5. Step 5: Solve for x
    x = 110,733,804,961,985,072/440,512,449.60
  6. Step 6: Final answer
    x = 251,374,972.63

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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.