Home / 725,981,081.40-1,089,396,774.90-265,965,751.80

Finding the Fourth Proportional to 725,981,081.40, 1,089,396,774.90 and 265,965,751.80

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Solution

The fourth proportional to 725,981,081.40, 1,089,396,774.90 and 265,965,751.80 is: 399,104,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,981,081.40 : 1,089,396,774.90 = 265,965,751.80 : x
  2. Step 2: Convert to fraction form
    725,981,081.40/1,089,396,774.90 = 265,965,751.80/x
  3. Step 3: Cross multiply
    725,981,081.40x = 1,089,396,774.90 × 265,965,751.80
  4. Step 4: Simplify right side
    725,981,081.40x = 289,742,232,244,773,888
  5. Step 5: Solve for x
    x = 289,742,232,244,773,888/725,981,081.40
  6. Step 6: Final answer
    x = 399,104,383.94

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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.