Finding the Fourth Proportional to 371,077,132.13, 512,260,789.35 and 214,413,934.98
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Solution
The fourth proportional to 371,077,132.13, 512,260,789.35 and 214,413,934.98 is: 295,991,970.60
Step by Step Solution
- Step 1: Write the proportion equation
371,077,132.13 : 512,260,789.35 = 214,413,934.98 : x - Step 2: Convert to fraction form
371,077,132.13/512,260,789.35 = 214,413,934.98/x - Step 3: Cross multiply
371,077,132.13x = 512,260,789.35 × 214,413,934.98 - Step 4: Simplify right side
371,077,132.13x = 109,835,851,580,494,384 - Step 5: Solve for x
x = 109,835,851,580,494,384/371,077,132.13 - Step 6: Final answer
x = 295,991,970.60
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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.