Home / 764,586,164.40-1,145,178,635.40-628,537,268.40

Finding the Fourth Proportional to 764,586,164.40, 1,145,178,635.40 and 628,537,268.40

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Solution

The fourth proportional to 764,586,164.40, 1,145,178,635.40 and 628,537,268.40 is: 941,407,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,586,164.40 : 1,145,178,635.40 = 628,537,268.40 : x
  2. Step 2: Convert to fraction form
    764,586,164.40/1,145,178,635.40 = 628,537,268.40/x
  3. Step 3: Cross multiply
    764,586,164.40x = 1,145,178,635.40 × 628,537,268.40
  4. Step 4: Simplify right side
    764,586,164.40x = 719,787,451,324,355,584
  5. Step 5: Solve for x
    x = 719,787,451,324,355,584/764,586,164.40
  6. Step 6: Final answer
    x = 941,407,894.67

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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.