Home / 402,410,055.70-603,615,083.55-198,336,711.70

Finding the Fourth Proportional to 402,410,055.70, 603,615,083.55 and 198,336,711.70

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Solution

The fourth proportional to 402,410,055.70, 603,615,083.55 and 198,336,711.70 is: 297,505,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,410,055.70 : 603,615,083.55 = 198,336,711.70 : x
  2. Step 2: Convert to fraction form
    402,410,055.70/603,615,083.55 = 198,336,711.70/x
  3. Step 3: Cross multiply
    402,410,055.70x = 603,615,083.55 × 198,336,711.70
  4. Step 4: Simplify right side
    402,410,055.70x = 119,719,030,803,827,744
  5. Step 5: Solve for x
    x = 119,719,030,803,827,744/402,410,055.70
  6. Step 6: Final answer
    x = 297,505,067.55

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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.