Home / 489,457,348.20-734,186,022.30-368,524,996.20

Finding the Fourth Proportional to 489,457,348.20, 734,186,022.30 and 368,524,996.20

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Solution

The fourth proportional to 489,457,348.20, 734,186,022.30 and 368,524,996.20 is: 552,787,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,457,348.20 : 734,186,022.30 = 368,524,996.20 : x
  2. Step 2: Convert to fraction form
    489,457,348.20/734,186,022.30 = 368,524,996.20/x
  3. Step 3: Cross multiply
    489,457,348.20x = 734,186,022.30 × 368,524,996.20
  4. Step 4: Simplify right side
    489,457,348.20x = 270,565,901,078,200,576
  5. Step 5: Solve for x
    x = 270,565,901,078,200,576/489,457,348.20
  6. Step 6: Final answer
    x = 552,787,494.30

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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.