Finding the Fourth Proportional to 816,134,331.96, 1,224,375,396.84 and 263,468,169.72
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Solution
The fourth proportional to 816,134,331.96, 1,224,375,396.84 and 263,468,169.72 is: 395,258,393.41
Step by Step Solution
- Step 1: Write the proportion equation
816,134,331.96 : 1,224,375,396.84 = 263,468,169.72 : x - Step 2: Convert to fraction form
816,134,331.96/1,224,375,396.84 = 263,468,169.72/x - Step 3: Cross multiply
816,134,331.96x = 1,224,375,396.84 × 263,468,169.72 - Step 4: Simplify right side
816,134,331.96x = 322,583,944,855,633,472 - Step 5: Solve for x
x = 322,583,944,855,633,472/816,134,331.96 - Step 6: Final answer
x = 395,258,393.41
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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.