Home / 258,975,823.40-388,463,735.10-237,812,661.80

Finding the Fourth Proportional to 258,975,823.40, 388,463,735.10 and 237,812,661.80

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Solution

The fourth proportional to 258,975,823.40, 388,463,735.10 and 237,812,661.80 is: 356,718,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,975,823.40 : 388,463,735.10 = 237,812,661.80 : x
  2. Step 2: Convert to fraction form
    258,975,823.40/388,463,735.10 = 237,812,661.80/x
  3. Step 3: Cross multiply
    258,975,823.40x = 388,463,735.10 × 237,812,661.80
  4. Step 4: Simplify right side
    258,975,823.40x = 92,381,594,856,901,104
  5. Step 5: Solve for x
    x = 92,381,594,856,901,104/258,975,823.40
  6. Step 6: Final answer
    x = 356,718,992.70

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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.