Home / 383,370,812.40-575,056,218.60-153,504,865.20

Finding the Fourth Proportional to 383,370,812.40, 575,056,218.60 and 153,504,865.20

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Solution

The fourth proportional to 383,370,812.40, 575,056,218.60 and 153,504,865.20 is: 230,257,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,370,812.40 : 575,056,218.60 = 153,504,865.20 : x
  2. Step 2: Convert to fraction form
    383,370,812.40/575,056,218.60 = 153,504,865.20/x
  3. Step 3: Cross multiply
    383,370,812.40x = 575,056,218.60 × 153,504,865.20
  4. Step 4: Simplify right side
    383,370,812.40x = 88,273,927,318,614,736
  5. Step 5: Solve for x
    x = 88,273,927,318,614,736/383,370,812.40
  6. Step 6: Final answer
    x = 230,257,297.80

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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.