Finding the Fourth Proportional to 991,793,065.16, 1,487,904,812.19 and 301,682,382.99
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Solution
The fourth proportional to 991,793,065.16, 1,487,904,812.19 and 301,682,382.99 is: 452,589,038.15
Step by Step Solution
- Step 1: Write the proportion equation
991,793,065.16 : 1,487,904,812.19 = 301,682,382.99 : x - Step 2: Convert to fraction form
991,793,065.16/1,487,904,812.19 = 301,682,382.99/x - Step 3: Cross multiply
991,793,065.16x = 1,487,904,812.19 × 301,682,382.99 - Step 4: Simplify right side
991,793,065.16x = 448,874,669,403,767,616 - Step 5: Solve for x
x = 448,874,669,403,767,616/991,793,065.16 - Step 6: Final answer
x = 452,589,038.15
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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.