Finding the Fourth Proportional to 2,834,354,453.80, 4,251,531,680.70 and 1,281,696,428.20
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Solution
The fourth proportional to 2,834,354,453.80, 4,251,531,680.70 and 1,281,696,428.20 is: 1,922,544,642.30
Step by Step Solution
- Step 1: Write the proportion equation
2,834,354,453.80 : 4,251,531,680.70 = 1,281,696,428.20 : x - Step 2: Convert to fraction form
2,834,354,453.80/4,251,531,680.70 = 1,281,696,428.20/x - Step 3: Cross multiply
2,834,354,453.80x = 4,251,531,680.70 × 1,281,696,428.20 - Step 4: Simplify right side
2,834,354,453.80x = 5,449,172,969,532,333,056 - Step 5: Solve for x
x = 5,449,172,969,532,333,056/2,834,354,453.80 - Step 6: Final answer
x = 1,922,544,642.30
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1.5x scale
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.