Home / 297,310,987.80-445,084,683.30-220,972,440.60

Finding the Fourth Proportional to 297,310,987.80, 445,084,683.30 and 220,972,440.60

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Solution

The fourth proportional to 297,310,987.80, 445,084,683.30 and 220,972,440.60 is: 330,803,275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,310,987.80 : 445,084,683.30 = 220,972,440.60 : x
  2. Step 2: Convert to fraction form
    297,310,987.80/445,084,683.30 = 220,972,440.60/x
  3. Step 3: Cross multiply
    297,310,987.80x = 445,084,683.30 × 220,972,440.60
  4. Step 4: Simplify right side
    297,310,987.80x = 98,351,448,742,479,056
  5. Step 5: Solve for x
    x = 98,351,448,742,479,056/297,310,987.80
  6. Step 6: Final answer
    x = 330,803,275.96

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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.