Finding the Fourth Proportional to 912,514,393.25, 1,259,322,638.92 and 510,624,634.14
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Solution
The fourth proportional to 912,514,393.25, 1,259,322,638.92 and 510,624,634.14 is: 704,691,527.63
Step by Step Solution
- Step 1: Write the proportion equation
912,514,393.25 : 1,259,322,638.92 = 510,624,634.14 : x - Step 2: Convert to fraction form
912,514,393.25/1,259,322,638.92 = 510,624,634.14/x - Step 3: Cross multiply
912,514,393.25x = 1,259,322,638.92 × 510,624,634.14 - Step 4: Simplify right side
912,514,393.25x = 643,041,161,762,744,320 - Step 5: Solve for x
x = 643,041,161,762,744,320/912,514,393.25 - Step 6: Final answer
x = 704,691,527.63
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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.