Finding the Fourth Proportional to 2,881,529,839.14, 4,322,549,981.61 and 811,269,537.18
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Solution
The fourth proportional to 2,881,529,839.14, 4,322,549,981.61 and 811,269,537.18 is: 1,216,976,161.55
Step by Step Solution
- Step 1: Write the proportion equation
2,881,529,839.14 : 4,322,549,981.61 = 811,269,537.18 : x - Step 2: Convert to fraction form
2,881,529,839.14/4,322,549,981.61 = 811,269,537.18/x - Step 3: Cross multiply
2,881,529,839.14x = 4,322,549,981.61 × 811,269,537.18 - Step 4: Simplify right side
2,881,529,839.14x = 3,506,753,123,018,161,664 - Step 5: Solve for x
x = 3,506,753,123,018,161,664/2,881,529,839.14 - Step 6: Final answer
x = 1,216,976,161.55
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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.