Finding the Fourth Proportional to 427,052,110.08, 589,316,117.76 and 231,477,623.04
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Solution
The fourth proportional to 427,052,110.08, 589,316,117.76 and 231,477,623.04 is: 319,430,558.80
Step by Step Solution
- Step 1: Write the proportion equation
427,052,110.08 : 589,316,117.76 = 231,477,623.04 : x - Step 2: Convert to fraction form
427,052,110.08/589,316,117.76 = 231,477,623.04/x - Step 3: Cross multiply
427,052,110.08x = 589,316,117.76 × 231,477,623.04 - Step 4: Simplify right side
427,052,110.08x = 136,413,494,158,245,520 - Step 5: Solve for x
x = 136,413,494,158,245,520/427,052,110.08 - Step 6: Final answer
x = 319,430,558.80
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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.