Home / 404,485,725.60-606,728,588.40-393,148,317.60

Finding the Fourth Proportional to 404,485,725.60, 606,728,588.40 and 393,148,317.60

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Solution

The fourth proportional to 404,485,725.60, 606,728,588.40 and 393,148,317.60 is: 589,722,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,485,725.60 : 606,728,588.40 = 393,148,317.60 : x
  2. Step 2: Convert to fraction form
    404,485,725.60/606,728,588.40 = 393,148,317.60/x
  3. Step 3: Cross multiply
    404,485,725.60x = 606,728,588.40 × 393,148,317.60
  4. Step 4: Simplify right side
    404,485,725.60x = 238,534,323,769,282,880
  5. Step 5: Solve for x
    x = 238,534,323,769,282,880/404,485,725.60
  6. Step 6: Final answer
    x = 589,722,476.40

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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.