Finding the Fourth Proportional to 870,187,110.08, 1,305,280,665.11 and 295,758,438.08
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Solution
The fourth proportional to 870,187,110.08, 1,305,280,665.11 and 295,758,438.08 is: 443,637,657.11
Step by Step Solution
- Step 1: Write the proportion equation
870,187,110.08 : 1,305,280,665.11 = 295,758,438.08 : x - Step 2: Convert to fraction form
870,187,110.08/1,305,280,665.11 = 295,758,438.08/x - Step 3: Cross multiply
870,187,110.08x = 1,305,280,665.11 × 295,758,438.08 - Step 4: Simplify right side
870,187,110.08x = 386,047,770,763,170,112 - Step 5: Solve for x
x = 386,047,770,763,170,112/870,187,110.08 - Step 6: Final answer
x = 443,637,657.11
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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.