Home / 2,489,938,125.80-3,734,907,188.70-766,652,109.80

Finding the Fourth Proportional to 2,489,938,125.80, 3,734,907,188.70 and 766,652,109.80

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Solution

The fourth proportional to 2,489,938,125.80, 3,734,907,188.70 and 766,652,109.80 is: 1,149,978,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,938,125.80 : 3,734,907,188.70 = 766,652,109.80 : x
  2. Step 2: Convert to fraction form
    2,489,938,125.80/3,734,907,188.70 = 766,652,109.80/x
  3. Step 3: Cross multiply
    2,489,938,125.80x = 3,734,907,188.70 × 766,652,109.80
  4. Step 4: Simplify right side
    2,489,938,125.80x = 2,863,374,476,124,041,216
  5. Step 5: Solve for x
    x = 2,863,374,476,124,041,216/2,489,938,125.80
  6. Step 6: Final answer
    x = 1,149,978,164.70

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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.