Finding the Fourth Proportional to 375,274,193.36, 517,877,490.18 and 205,728,128.24
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Solution
The fourth proportional to 375,274,193.36, 517,877,490.18 and 205,728,128.24 is: 283,904,325.42
Step by Step Solution
- Step 1: Write the proportion equation
375,274,193.36 : 517,877,490.18 = 205,728,128.24 : x - Step 2: Convert to fraction form
375,274,193.36/517,877,490.18 = 205,728,128.24/x - Step 3: Cross multiply
375,274,193.36x = 517,877,490.18 × 205,728,128.24 - Step 4: Simplify right side
375,274,193.36x = 106,541,966,712,360,384 - Step 5: Solve for x
x = 106,541,966,712,360,384/375,274,193.36 - Step 6: Final answer
x = 283,904,325.42
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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.