Home / 489,943,328.80-734,914,993.20-166,827,200.80

Finding the Fourth Proportional to 489,943,328.80, 734,914,993.20 and 166,827,200.80

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Solution

The fourth proportional to 489,943,328.80, 734,914,993.20 and 166,827,200.80 is: 250,240,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,943,328.80 : 734,914,993.20 = 166,827,200.80 : x
  2. Step 2: Convert to fraction form
    489,943,328.80/734,914,993.20 = 166,827,200.80/x
  3. Step 3: Cross multiply
    489,943,328.80x = 734,914,993.20 × 166,827,200.80
  4. Step 4: Simplify right side
    489,943,328.80x = 122,603,811,141,507,056
  5. Step 5: Solve for x
    x = 122,603,811,141,507,056/489,943,328.80
  6. Step 6: Final answer
    x = 250,240,801.20

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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.