Finding the Fourth Proportional to 1,306,497,497.27, 1,801,755,472.34 and 953,514,375.35
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Solution
The fourth proportional to 1,306,497,497.27, 1,801,755,472.34 and 953,514,375.35 is: 1,314,965,966.12
Step by Step Solution
- Step 1: Write the proportion equation
1,306,497,497.27 : 1,801,755,472.34 = 953,514,375.35 : x - Step 2: Convert to fraction form
1,306,497,497.27/1,801,755,472.34 = 953,514,375.35/x - Step 3: Cross multiply
1,306,497,497.27x = 1,801,755,472.34 × 953,514,375.35 - Step 4: Simplify right side
1,306,497,497.27x = 1,717,999,743,736,951,808 - Step 5: Solve for x
x = 1,717,999,743,736,951,808/1,306,497,497.27 - Step 6: Final answer
x = 1,314,965,966.12
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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.