Finding the Fourth Proportional to 1,306,497,499.02, 1,801,755,474.75 and 953,514,377.10
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Solution
The fourth proportional to 1,306,497,499.02, 1,801,755,474.75 and 953,514,377.10 is: 1,314,965,968.54
Step by Step Solution
- Step 1: Write the proportion equation
1,306,497,499.02 : 1,801,755,474.75 = 953,514,377.10 : x - Step 2: Convert to fraction form
1,306,497,499.02/1,801,755,474.75 = 953,514,377.10/x - Step 3: Cross multiply
1,306,497,499.02x = 1,801,755,474.75 × 953,514,377.10 - Step 4: Simplify right side
1,306,497,499.02x = 1,717,999,749,192,761,088 - Step 5: Solve for x
x = 1,717,999,749,192,761,088/1,306,497,499.02 - Step 6: Final answer
x = 1,314,965,968.54
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1.5x scale
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.