Home / 5,380,840,144.70-7,515,742,280.57-5,380,840,144.70

Finding the Fourth Proportional to 5,380,840,144.70, 7,515,742,280.57 and 5,380,840,144.70

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Solution

The fourth proportional to 5,380,840,144.70, 7,515,742,280.57 and 5,380,840,144.70 is: 7,515,742,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380,840,144.70 : 7,515,742,280.57 = 5,380,840,144.70 : x
  2. Step 2: Convert to fraction form
    5,380,840,144.70/7,515,742,280.57 = 5,380,840,144.70/x
  3. Step 3: Cross multiply
    5,380,840,144.70x = 7,515,742,280.57 × 5,380,840,144.70
  4. Step 4: Simplify right side
    5,380,840,144.70x = 40,441,007,780,510,187,520
  5. Step 5: Solve for x
    x = 40,441,007,780,510,187,520/5,380,840,144.70
  6. Step 6: Final answer
    x = 7,515,742,280.57

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.