Finding the Fourth Proportional to 315,461,556.08, 472,769,362.99 and 245,516,245.11
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Solution
The fourth proportional to 315,461,556.08, 472,769,362.99 and 245,516,245.11 is: 367,945,179.28
Step by Step Solution
- Step 1: Write the proportion equation
315,461,556.08 : 472,769,362.99 = 245,516,245.11 : x - Step 2: Convert to fraction form
315,461,556.08/472,769,362.99 = 245,516,245.11/x - Step 3: Cross multiply
315,461,556.08x = 472,769,362.99 × 245,516,245.11 - Step 4: Simplify right side
315,461,556.08x = 116,072,558,807,044,976 - Step 5: Solve for x
x = 116,072,558,807,044,976/315,461,556.08 - Step 6: Final answer
x = 367,945,179.28
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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.