Finding the Fourth Proportional to 7,859,721,006,194.40, 11,789,821,687,261 and 2,696,493,595,795.20
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Solution
The fourth proportional to 7,859,721,006,194.40, 11,789,821,687,261 and 2,696,493,595,795.20 is: 4,044,822,793,355.06
Step by Step Solution
- Step 1: Write the proportion equation
7,859,721,006,194.40 : 11,789,821,687,261 = 2,696,493,595,795.20 : x - Step 2: Convert to fraction form
7,859,721,006,194.40/11,789,821,687,261 = 2,696,493,595,795.20/x - Step 3: Cross multiply
7,859,721,006,194.40x = 11,789,821,687,261 × 2,696,493,595,795.20 - Step 4: Simplify right side
7,859,721,006,194.40x = 31,791,178,675,266,647,771,578,368 - Step 5: Solve for x
x = 31,791,178,675,266,647,771,578,368/7,859,721,006,194.40 - Step 6: Final answer
x = 4,044,822,793,355.06
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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.