Finding the Fourth Proportional to 7,680,479,680,945.80, 11,521,396,793,745 and 2,166,943,969,840.80
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Solution
The fourth proportional to 7,680,479,680,945.80, 11,521,396,793,745 and 2,166,943,969,840.80 is: 3,250,607,038,032.61
Step by Step Solution
- Step 1: Write the proportion equation
7,680,479,680,945.80 : 11,521,396,793,745 = 2,166,943,969,840.80 : x - Step 2: Convert to fraction form
7,680,479,680,945.80/11,521,396,793,745 = 2,166,943,969,840.80/x - Step 3: Cross multiply
7,680,479,680,945.80x = 11,521,396,793,745 × 2,166,943,969,840.80 - Step 4: Simplify right side
7,680,479,680,945.80x = 24,966,221,306,348,856,061,984,768 - Step 5: Solve for x
x = 24,966,221,306,348,856,061,984,768/7,680,479,680,945.80 - Step 6: Final answer
x = 3,250,607,038,032.61
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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.