Finding the Fourth Proportional to 718,933,725.19, 1,078,508,415.21 and 252,512,939.98
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Solution
The fourth proportional to 718,933,725.19, 1,078,508,415.21 and 252,512,939.98 is: 378,807,282.48
Step by Step Solution
- Step 1: Write the proportion equation
718,933,725.19 : 1,078,508,415.21 = 252,512,939.98 : x - Step 2: Convert to fraction form
718,933,725.19/1,078,508,415.21 = 252,512,939.98/x - Step 3: Cross multiply
718,933,725.19x = 1,078,508,415.21 × 252,512,939.98 - Step 4: Simplify right side
718,933,725.19x = 272,337,330,717,847,648 - Step 5: Solve for x
x = 272,337,330,717,847,648/718,933,725.19 - Step 6: Final answer
x = 378,807,282.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.