Finding the Fourth Proportional to 3,141,958,242, 4,712,960,982.60 and 1,394,691,246.12
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Solution
The fourth proportional to 3,141,958,242, 4,712,960,982.60 and 1,394,691,246.12 is: 2,092,047,353.74
Step by Step Solution
- Step 1: Write the proportion equation
3,141,958,242 : 4,712,960,982.60 = 1,394,691,246.12 : x - Step 2: Convert to fraction form
3,141,958,242/4,712,960,982.60 = 1,394,691,246.12/x - Step 3: Cross multiply
3,141,958,242x = 4,712,960,982.60 × 1,394,691,246.12 - Step 4: Simplify right side
3,141,958,242x = 6,573,125,425,737,333,760 - Step 5: Solve for x
x = 6,573,125,425,737,333,760/3,141,958,242 - Step 6: Final answer
x = 2,092,047,353.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.