Home / 400,993,281.60-601,405,941.60-196,667,995.20

Finding the Fourth Proportional to 400,993,281.60, 601,405,941.60 and 196,667,995.20

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Solution

The fourth proportional to 400,993,281.60, 601,405,941.60 and 196,667,995.20 is: 294,960,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,993,281.60 : 601,405,941.60 = 196,667,995.20 : x
  2. Step 2: Convert to fraction form
    400,993,281.60/601,405,941.60 = 196,667,995.20/x
  3. Step 3: Cross multiply
    400,993,281.60x = 601,405,941.60 × 196,667,995.20
  4. Step 4: Simplify right side
    400,993,281.60x = 118,277,300,835,840,272
  5. Step 5: Solve for x
    x = 118,277,300,835,840,272/400,993,281.60
  6. Step 6: Final answer
    x = 294,960,804.24

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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.