Home / 315,494,889.90-473,242,334.85-179,445,993.90

Finding the Fourth Proportional to 315,494,889.90, 473,242,334.85 and 179,445,993.90

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Solution

The fourth proportional to 315,494,889.90, 473,242,334.85 and 179,445,993.90 is: 269,168,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,494,889.90 : 473,242,334.85 = 179,445,993.90 : x
  2. Step 2: Convert to fraction form
    315,494,889.90/473,242,334.85 = 179,445,993.90/x
  3. Step 3: Cross multiply
    315,494,889.90x = 473,242,334.85 × 179,445,993.90
  4. Step 4: Simplify right side
    315,494,889.90x = 84,921,441,132,714,864
  5. Step 5: Solve for x
    x = 84,921,441,132,714,864/315,494,889.90
  6. Step 6: Final answer
    x = 269,168,990.85

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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.