Home / 3,585,041,357.45-4,947,361,839.09-1,977,460,300.80

Finding the Fourth Proportional to 3,585,041,357.45, 4,947,361,839.09 and 1,977,460,300.80

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Solution

The fourth proportional to 3,585,041,357.45, 4,947,361,839.09 and 1,977,460,300.80 is: 2,728,897,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585,041,357.45 : 4,947,361,839.09 = 1,977,460,300.80 : x
  2. Step 2: Convert to fraction form
    3,585,041,357.45/4,947,361,839.09 = 1,977,460,300.80/x
  3. Step 3: Cross multiply
    3,585,041,357.45x = 4,947,361,839.09 × 1,977,460,300.80
  4. Step 4: Simplify right side
    3,585,041,357.45x = 9,783,211,630,493,351,936
  5. Step 5: Solve for x
    x = 9,783,211,630,493,351,936/3,585,041,357.45
  6. Step 6: Final answer
    x = 2,728,897,843.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.