Home / 492,052,788.88-678,920,228.20-293,775,771.28

Finding the Fourth Proportional to 492,052,788.88, 678,920,228.20 and 293,775,771.28

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Solution

The fourth proportional to 492,052,788.88, 678,920,228.20 and 293,775,771.28 is: 405,343,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,052,788.88 : 678,920,228.20 = 293,775,771.28 : x
  2. Step 2: Convert to fraction form
    492,052,788.88/678,920,228.20 = 293,775,771.28/x
  3. Step 3: Cross multiply
    492,052,788.88x = 678,920,228.20 × 293,775,771.28
  4. Step 4: Simplify right side
    492,052,788.88x = 199,450,313,677,048,608
  5. Step 5: Solve for x
    x = 199,450,313,677,048,608/492,052,788.88
  6. Step 6: Final answer
    x = 405,343,325.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.