Finding the Fourth Proportional to 2,437,651,812.99, 3,656,615,907.65 and 779,704,725.63
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Solution
The fourth proportional to 2,437,651,812.99, 3,656,615,907.65 and 779,704,725.63 is: 1,169,601,289.16
Step by Step Solution
- Step 1: Write the proportion equation
2,437,651,812.99 : 3,656,615,907.65 = 779,704,725.63 : x - Step 2: Convert to fraction form
2,437,651,812.99/3,656,615,907.65 = 779,704,725.63/x - Step 3: Cross multiply
2,437,651,812.99x = 3,656,615,907.65 × 779,704,725.63 - Step 4: Simplify right side
2,437,651,812.99x = 2,851,080,703,004,638,208 - Step 5: Solve for x
x = 2,851,080,703,004,638,208/2,437,651,812.99 - Step 6: Final answer
x = 1,169,601,289.16
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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.