Home / 764,586,176.40-1,145,178,653.40-628,537,280.40

Finding the Fourth Proportional to 764,586,176.40, 1,145,178,653.40 and 628,537,280.40

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Solution

The fourth proportional to 764,586,176.40, 1,145,178,653.40 and 628,537,280.40 is: 941,407,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,586,176.40 : 1,145,178,653.40 = 628,537,280.40 : x
  2. Step 2: Convert to fraction form
    764,586,176.40/1,145,178,653.40 = 628,537,280.40/x
  3. Step 3: Cross multiply
    764,586,176.40x = 1,145,178,653.40 × 628,537,280.40
  4. Step 4: Simplify right side
    764,586,176.40x = 719,787,476,380,170,240
  5. Step 5: Solve for x
    x = 719,787,476,380,170,240/764,586,176.40
  6. Step 6: Final answer
    x = 941,407,912.67

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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.