Home / 400,921,364.40-601,382,046.60-196,848,020.40

Finding the Fourth Proportional to 400,921,364.40, 601,382,046.60 and 196,848,020.40

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Solution

The fourth proportional to 400,921,364.40, 601,382,046.60 and 196,848,020.40 is: 295,272,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,921,364.40 : 601,382,046.60 = 196,848,020.40 : x
  2. Step 2: Convert to fraction form
    400,921,364.40/601,382,046.60 = 196,848,020.40/x
  3. Step 3: Cross multiply
    400,921,364.40x = 601,382,046.60 × 196,848,020.40
  4. Step 4: Simplify right side
    400,921,364.40x = 118,380,865,377,310,560
  5. Step 5: Solve for x
    x = 118,380,865,377,310,560/400,921,364.40
  6. Step 6: Final answer
    x = 295,272,030.60

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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.