Finding the Fourth Proportional to 283,737,316.48, 391,579,678.60 and 158,328,943.36
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Solution
The fourth proportional to 283,737,316.48, 391,579,678.60 and 158,328,943.36 is: 218,506,319.59
Step by Step Solution
- Step 1: Write the proportion equation
283,737,316.48 : 391,579,678.60 = 158,328,943.36 : x - Step 2: Convert to fraction form
283,737,316.48/391,579,678.60 = 158,328,943.36/x - Step 3: Cross multiply
283,737,316.48x = 391,579,678.60 × 158,328,943.36 - Step 4: Simplify right side
283,737,316.48x = 61,998,396,753,986,416 - Step 5: Solve for x
x = 61,998,396,753,986,416/283,737,316.48 - Step 6: Final answer
x = 218,506,319.59
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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.