Finding the Fourth Proportional to 370,803,621.36, 511,709,558.01 and 201,257,919.87
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Solution
The fourth proportional to 370,803,621.36, 511,709,558.01 and 201,257,919.87 is: 277,736,233.66
Step by Step Solution
- Step 1: Write the proportion equation
370,803,621.36 : 511,709,558.01 = 201,257,919.87 : x - Step 2: Convert to fraction form
370,803,621.36/511,709,558.01 = 201,257,919.87/x - Step 3: Cross multiply
370,803,621.36x = 511,709,558.01 × 201,257,919.87 - Step 4: Simplify right side
370,803,621.36x = 102,985,601,222,689,696 - Step 5: Solve for x
x = 102,985,601,222,689,696/370,803,621.36 - Step 6: Final answer
x = 277,736,233.66
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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.