Finding the Fourth Proportional to 1,534,087,176.68, 2,117,039,390.44 and 829,239,167.54
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Solution
The fourth proportional to 1,534,087,176.68, 2,117,039,390.44 and 829,239,167.54 is: 1,144,349,557.49
Step by Step Solution
- Step 1: Write the proportion equation
1,534,087,176.68 : 2,117,039,390.44 = 829,239,167.54 : x - Step 2: Convert to fraction form
1,534,087,176.68/2,117,039,390.44 = 829,239,167.54/x - Step 3: Cross multiply
1,534,087,176.68x = 2,117,039,390.44 × 829,239,167.54 - Step 4: Simplify right side
1,534,087,176.68x = 1,755,531,981,777,854,720 - Step 5: Solve for x
x = 1,755,531,981,777,854,720/1,534,087,176.68 - Step 6: Final answer
x = 1,144,349,557.49
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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.