Home / 1,318,014,704.66-1,976,958,173.34-489,129,941.32

Finding the Fourth Proportional to 1,318,014,704.66, 1,976,958,173.34 and 489,129,941.32

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Solution

The fourth proportional to 1,318,014,704.66, 1,976,958,173.34 and 489,129,941.32 is: 733,671,204.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,014,704.66 : 1,976,958,173.34 = 489,129,941.32 : x
  2. Step 2: Convert to fraction form
    1,318,014,704.66/1,976,958,173.34 = 489,129,941.32/x
  3. Step 3: Cross multiply
    1,318,014,704.66x = 1,976,958,173.34 × 489,129,941.32
  4. Step 4: Simplify right side
    1,318,014,704.66x = 966,989,435,317,888,512
  5. Step 5: Solve for x
    x = 966,989,435,317,888,512/1,318,014,704.66
  6. Step 6: Final answer
    x = 733,671,204.05

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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.