Home / 8,540,928,768.80-12,811,393,153.20-5,101,075,200.80

Finding the Fourth Proportional to 8,540,928,768.80, 12,811,393,153.20 and 5,101,075,200.80

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Solution

The fourth proportional to 8,540,928,768.80, 12,811,393,153.20 and 5,101,075,200.80 is: 7,651,612,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540,928,768.80 : 12,811,393,153.20 = 5,101,075,200.80 : x
  2. Step 2: Convert to fraction form
    8,540,928,768.80/12,811,393,153.20 = 5,101,075,200.80/x
  3. Step 3: Cross multiply
    8,540,928,768.80x = 12,811,393,153.20 × 5,101,075,200.80
  4. Step 4: Simplify right side
    8,540,928,768.80x = 65,351,879,901,487,439,872
  5. Step 5: Solve for x
    x = 65,351,879,901,487,439,872/8,540,928,768.80
  6. Step 6: Final answer
    x = 7,651,612,801.20

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Double scale
Find fourth proportional to 8,540,928,769.80, 12,811,393,154.70 and 5,101,075,201.80
Similar ratio
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1.5x scale

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.