Finding the Fourth Proportional to 371,077,130.63, 512,260,787.28 and 214,413,933.48
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Solution
The fourth proportional to 371,077,130.63, 512,260,787.28 and 214,413,933.48 is: 295,991,968.52
Step by Step Solution
- Step 1: Write the proportion equation
371,077,130.63 : 512,260,787.28 = 214,413,933.48 : x - Step 2: Convert to fraction form
371,077,130.63/512,260,787.28 = 214,413,933.48/x - Step 3: Cross multiply
371,077,130.63x = 512,260,787.28 × 214,413,933.48 - Step 4: Simplify right side
371,077,130.63x = 109,835,850,368,266,336 - Step 5: Solve for x
x = 109,835,850,368,266,336/371,077,130.63 - Step 6: Final answer
x = 295,991,968.52
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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.