Home / 386,042,645.60-579,063,968.40-325,576,469.60

Finding the Fourth Proportional to 386,042,645.60, 579,063,968.40 and 325,576,469.60

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Solution

The fourth proportional to 386,042,645.60, 579,063,968.40 and 325,576,469.60 is: 488,364,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,042,645.60 : 579,063,968.40 = 325,576,469.60 : x
  2. Step 2: Convert to fraction form
    386,042,645.60/579,063,968.40 = 325,576,469.60/x
  3. Step 3: Cross multiply
    386,042,645.60x = 579,063,968.40 × 325,576,469.60
  4. Step 4: Simplify right side
    386,042,645.60x = 188,529,602,504,237,952
  5. Step 5: Solve for x
    x = 188,529,602,504,237,952/386,042,645.60
  6. Step 6: Final answer
    x = 488,364,704.40

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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.