Home / 1,336,800,851.80-2,005,201,277.70-1,280,122,669.15

Finding the Fourth Proportional to 1,336,800,851.80, 2,005,201,277.70 and 1,280,122,669.15

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Solution

The fourth proportional to 1,336,800,851.80, 2,005,201,277.70 and 1,280,122,669.15 is: 1,920,184,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,800,851.80 : 2,005,201,277.70 = 1,280,122,669.15 : x
  2. Step 2: Convert to fraction form
    1,336,800,851.80/2,005,201,277.70 = 1,280,122,669.15/x
  3. Step 3: Cross multiply
    1,336,800,851.80x = 2,005,201,277.70 × 1,280,122,669.15
  4. Step 4: Simplify right side
    1,336,800,851.80x = 2,566,903,611,792,314,880
  5. Step 5: Solve for x
    x = 2,566,903,611,792,314,880/1,336,800,851.80
  6. Step 6: Final answer
    x = 1,920,184,003.73

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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.