Finding the Fourth Proportional to 363,388,442.08, 501,478,090.32 and 206,755,545.28
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Solution
The fourth proportional to 363,388,442.08, 501,478,090.32 and 206,755,545.28 is: 285,323,813.32
Step by Step Solution
- Step 1: Write the proportion equation
363,388,442.08 : 501,478,090.32 = 206,755,545.28 : x - Step 2: Convert to fraction form
363,388,442.08/501,478,090.32 = 206,755,545.28/x - Step 3: Cross multiply
363,388,442.08x = 501,478,090.32 × 206,755,545.28 - Step 4: Simplify right side
363,388,442.08x = 103,683,376,010,084,688 - Step 5: Solve for x
x = 103,683,376,010,084,688/363,388,442.08 - Step 6: Final answer
x = 285,323,813.32
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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.