Finding the Fourth Proportional to 1,295,431,553.71, 1,943,147,268.27 and 362,892,475.63
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Solution
The fourth proportional to 1,295,431,553.71, 1,943,147,268.27 and 362,892,475.63 is: 544,338,695.99
Step by Step Solution
- Step 1: Write the proportion equation
1,295,431,553.71 : 1,943,147,268.27 = 362,892,475.63 : x - Step 2: Convert to fraction form
1,295,431,553.71/1,943,147,268.27 = 362,892,475.63/x - Step 3: Cross multiply
1,295,431,553.71x = 1,943,147,268.27 × 362,892,475.63 - Step 4: Simplify right side
1,295,431,553.71x = 705,153,522,696,172,032 - Step 5: Solve for x
x = 705,153,522,696,172,032/1,295,431,553.71 - Step 6: Final answer
x = 544,338,695.99
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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.