Finding the Fourth Proportional to 1,029,468,850.80, 1,544,408,766.68 and 538,403,195.04
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Solution
The fourth proportional to 1,029,468,850.80, 1,544,408,766.68 and 538,403,195.04 is: 807,712,262.28
Step by Step Solution
- Step 1: Write the proportion equation
1,029,468,850.80 : 1,544,408,766.68 = 538,403,195.04 : x - Step 2: Convert to fraction form
1,029,468,850.80/1,544,408,766.68 = 538,403,195.04/x - Step 3: Cross multiply
1,029,468,850.80x = 1,544,408,766.68 × 538,403,195.04 - Step 4: Simplify right side
1,029,468,850.80x = 831,514,614,425,605,760 - Step 5: Solve for x
x = 831,514,614,425,605,760/1,029,468,850.80 - Step 6: Final answer
x = 807,712,262.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.