Home / 260,880,597.64-360,019,696.90-143,410,879

Finding the Fourth Proportional to 260,880,597.64, 360,019,696.90 and 143,410,879

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Solution

The fourth proportional to 260,880,597.64, 360,019,696.90 and 143,410,879 is: 197,909,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,880,597.64 : 360,019,696.90 = 143,410,879 : x
  2. Step 2: Convert to fraction form
    260,880,597.64/360,019,696.90 = 143,410,879/x
  3. Step 3: Cross multiply
    260,880,597.64x = 360,019,696.90 × 143,410,879
  4. Step 4: Simplify right side
    260,880,597.64x = 51,630,741,189,742,568
  5. Step 5: Solve for x
    x = 51,630,741,189,742,568/260,880,597.64
  6. Step 6: Final answer
    x = 197,909,471.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.