Home / 553,568,544.40-830,352,816.60-446,073,120.40

Finding the Fourth Proportional to 553,568,544.40, 830,352,816.60 and 446,073,120.40

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Solution

The fourth proportional to 553,568,544.40, 830,352,816.60 and 446,073,120.40 is: 669,109,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,568,544.40 : 830,352,816.60 = 446,073,120.40 : x
  2. Step 2: Convert to fraction form
    553,568,544.40/830,352,816.60 = 446,073,120.40/x
  3. Step 3: Cross multiply
    553,568,544.40x = 830,352,816.60 × 446,073,120.40
  4. Step 4: Simplify right side
    553,568,544.40x = 370,398,071,933,690,880
  5. Step 5: Solve for x
    x = 370,398,071,933,690,880/553,568,544.40
  6. Step 6: Final answer
    x = 669,109,680.60

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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.