Home / 724,375,055.70-1,086,562,583.55-668,414,318.40

Finding the Fourth Proportional to 724,375,055.70, 1,086,562,583.55 and 668,414,318.40

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Solution

The fourth proportional to 724,375,055.70, 1,086,562,583.55 and 668,414,318.40 is: 1,002,621,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,375,055.70 : 1,086,562,583.55 = 668,414,318.40 : x
  2. Step 2: Convert to fraction form
    724,375,055.70/1,086,562,583.55 = 668,414,318.40/x
  3. Step 3: Cross multiply
    724,375,055.70x = 1,086,562,583.55 × 668,414,318.40
  4. Step 4: Simplify right side
    724,375,055.70x = 726,273,988,682,516,224
  5. Step 5: Solve for x
    x = 726,273,988,682,516,224/724,375,055.70
  6. Step 6: Final answer
    x = 1,002,621,477.60

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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.