Home / 258,731,021.60-388,096,532.40-258,731,021.60

Finding the Fourth Proportional to 258,731,021.60, 388,096,532.40 and 258,731,021.60

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Solution

The fourth proportional to 258,731,021.60, 388,096,532.40 and 258,731,021.60 is: 388,096,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,731,021.60 : 388,096,532.40 = 258,731,021.60 : x
  2. Step 2: Convert to fraction form
    258,731,021.60/388,096,532.40 = 258,731,021.60/x
  3. Step 3: Cross multiply
    258,731,021.60x = 388,096,532.40 × 258,731,021.60
  4. Step 4: Simplify right side
    258,731,021.60x = 100,412,612,307,269,488
  5. Step 5: Solve for x
    x = 100,412,612,307,269,488/258,731,021.60
  6. Step 6: Final answer
    x = 388,096,532.40

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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.