Finding the Fourth Proportional to 7,218,834,717.88, 10,820,609,702.92 and 2,428,176,982.66
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Solution
The fourth proportional to 7,218,834,717.88, 10,820,609,702.92 and 2,428,176,982.66 is: 3,639,694,832.45
Step by Step Solution
- Step 1: Write the proportion equation
7,218,834,717.88 : 10,820,609,702.92 = 2,428,176,982.66 : x - Step 2: Convert to fraction form
7,218,834,717.88/10,820,609,702.92 = 2,428,176,982.66/x - Step 3: Cross multiply
7,218,834,717.88x = 10,820,609,702.92 × 2,428,176,982.66 - Step 4: Simplify right side
7,218,834,717.88x = 26,274,355,418,977,804,288 - Step 5: Solve for x
x = 26,274,355,418,977,804,288/7,218,834,717.88 - Step 6: Final answer
x = 3,639,694,832.45
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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.