Finding the Fourth Proportional to 663,048,583.45, 994,572,876.14 and 269,483,201.49
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Solution
The fourth proportional to 663,048,583.45, 994,572,876.14 and 269,483,201.49 is: 404,224,802.63
Step by Step Solution
- Step 1: Write the proportion equation
663,048,583.45 : 994,572,876.14 = 269,483,201.49 : x - Step 2: Convert to fraction form
663,048,583.45/994,572,876.14 = 269,483,201.49/x - Step 3: Cross multiply
663,048,583.45x = 994,572,876.14 × 269,483,201.49 - Step 4: Simplify right side
663,048,583.45x = 268,020,682,780,484,608 - Step 5: Solve for x
x = 268,020,682,780,484,608/663,048,583.45 - Step 6: Final answer
x = 404,224,802.63
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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.