Finding the Fourth Proportional to 7,155,490,529.66, 10,738,138,585.57 and 2,497,364,492.81
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Solution
The fourth proportional to 7,155,490,529.66, 10,738,138,585.57 and 2,497,364,492.81 is: 3,747,757,880.65
Step by Step Solution
- Step 1: Write the proportion equation
7,155,490,529.66 : 10,738,138,585.57 = 2,497,364,492.81 : x - Step 2: Convert to fraction form
7,155,490,529.66/10,738,138,585.57 = 2,497,364,492.81/x - Step 3: Cross multiply
7,155,490,529.66x = 10,738,138,585.57 × 2,497,364,492.81 - Step 4: Simplify right side
7,155,490,529.66x = 26,817,046,022,416,830,464 - Step 5: Solve for x
x = 26,817,046,022,416,830,464/7,155,490,529.66 - Step 6: Final answer
x = 3,747,757,880.65
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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.