Home / 489,943,339.80-734,915,009.70-166,827,211.80

Finding the Fourth Proportional to 489,943,339.80, 734,915,009.70 and 166,827,211.80

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Solution

The fourth proportional to 489,943,339.80, 734,915,009.70 and 166,827,211.80 is: 250,240,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,943,339.80 : 734,915,009.70 = 166,827,211.80 : x
  2. Step 2: Convert to fraction form
    489,943,339.80/734,915,009.70 = 166,827,211.80/x
  3. Step 3: Cross multiply
    489,943,339.80x = 734,915,009.70 × 166,827,211.80
  4. Step 4: Simplify right side
    489,943,339.80x = 122,603,821,978,220,976
  5. Step 5: Solve for x
    x = 122,603,821,978,220,976/489,943,339.80
  6. Step 6: Final answer
    x = 250,240,817.70

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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.