Finding the Fourth Proportional to 2,908,368,112.80, 4,365,292,042.80 and 1,529,172,429.60
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Solution
The fourth proportional to 2,908,368,112.80, 4,365,292,042.80 and 1,529,172,429.60 is: 2,295,199,225.17
Step by Step Solution
- Step 1: Write the proportion equation
2,908,368,112.80 : 4,365,292,042.80 = 1,529,172,429.60 : x - Step 2: Convert to fraction form
2,908,368,112.80/4,365,292,042.80 = 1,529,172,429.60/x - Step 3: Cross multiply
2,908,368,112.80x = 4,365,292,042.80 × 1,529,172,429.60 - Step 4: Simplify right side
2,908,368,112.80x = 6,675,284,239,002,022,912 - Step 5: Solve for x
x = 6,675,284,239,002,022,912/2,908,368,112.80 - Step 6: Final answer
x = 2,295,199,225.17
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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.