Finding the Fourth Proportional to 991,793,066.16, 1,487,904,813.69 and 301,682,383.99
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Solution
The fourth proportional to 991,793,066.16, 1,487,904,813.69 and 301,682,383.99 is: 452,589,039.65
Step by Step Solution
- Step 1: Write the proportion equation
991,793,066.16 : 1,487,904,813.69 = 301,682,383.99 : x - Step 2: Convert to fraction form
991,793,066.16/1,487,904,813.69 = 301,682,383.99/x - Step 3: Cross multiply
991,793,066.16x = 1,487,904,813.69 × 301,682,383.99 - Step 4: Simplify right side
991,793,066.16x = 448,874,671,344,196,032 - Step 5: Solve for x
x = 448,874,671,344,196,032/991,793,066.16 - Step 6: Final answer
x = 452,589,039.65
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1.5x scale
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.