Finding the Fourth Proportional to 396,089,400.70, 594,134,101.05 and 379,295,865.10
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Solution
The fourth proportional to 396,089,400.70, 594,134,101.05 and 379,295,865.10 is: 568,943,797.65
Step by Step Solution
- Step 1: Write the proportion equation
396,089,400.70 : 594,134,101.05 = 379,295,865.10 : x - Step 2: Convert to fraction form
396,089,400.70/594,134,101.05 = 379,295,865.10/x - Step 3: Cross multiply
396,089,400.70x = 594,134,101.05 × 379,295,865.10 - Step 4: Simplify right side
396,089,400.70x = 225,352,607,843,170,560 - Step 5: Solve for x
x = 225,352,607,843,170,560/396,089,400.70 - Step 6: Final answer
x = 568,943,797.65
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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.