Finding the Fourth Proportional to 544,135,105.65, 816,044,532.84 and 212,068,210.35
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Solution
The fourth proportional to 544,135,105.65, 816,044,532.84 and 212,068,210.35 is: 318,040,688.51
Step by Step Solution
- Step 1: Write the proportion equation
544,135,105.65 : 816,044,532.84 = 212,068,210.35 : x - Step 2: Convert to fraction form
544,135,105.65/816,044,532.84 = 212,068,210.35/x - Step 3: Cross multiply
544,135,105.65x = 816,044,532.84 × 212,068,210.35 - Step 4: Simplify right side
544,135,105.65x = 173,057,103,645,280,608 - Step 5: Solve for x
x = 173,057,103,645,280,608/544,135,105.65 - Step 6: Final answer
x = 318,040,688.51
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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.