Finding the Fourth Proportional to 843,111,345.40, 1,163,468,667.90 and 466,784,705.50
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Solution
The fourth proportional to 843,111,345.40, 1,163,468,667.90 and 466,784,705.50 is: 644,149,058.68
Step by Step Solution
- Step 1: Write the proportion equation
843,111,345.40 : 1,163,468,667.90 = 466,784,705.50 : x - Step 2: Convert to fraction form
843,111,345.40/1,163,468,667.90 = 466,784,705.50/x - Step 3: Cross multiply
843,111,345.40x = 1,163,468,667.90 × 466,784,705.50 - Step 4: Simplify right side
843,111,345.40x = 543,089,379,504,178,816 - Step 5: Solve for x
x = 543,089,379,504,178,816/843,111,345.40 - Step 6: Final answer
x = 644,149,058.68
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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.