Home / 290,331,283.20-435,496,924.80-193,585,401.60

Finding the Fourth Proportional to 290,331,283.20, 435,496,924.80 and 193,585,401.60

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Solution

The fourth proportional to 290,331,283.20, 435,496,924.80 and 193,585,401.60 is: 290,378,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,331,283.20 : 435,496,924.80 = 193,585,401.60 : x
  2. Step 2: Convert to fraction form
    290,331,283.20/435,496,924.80 = 193,585,401.60/x
  3. Step 3: Cross multiply
    290,331,283.20x = 435,496,924.80 × 193,585,401.60
  4. Step 4: Simplify right side
    290,331,283.20x = 84,305,847,082,972,992
  5. Step 5: Solve for x
    x = 84,305,847,082,972,992/290,331,283.20
  6. Step 6: Final answer
    x = 290,378,102.40

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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.