Finding the Fourth Proportional to 1,135,132,982.70, 1,702,951,416.45 and 521,569,257.90
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Solution
The fourth proportional to 1,135,132,982.70, 1,702,951,416.45 and 521,569,257.90 is: 782,469,648.98
Step by Step Solution
- Step 1: Write the proportion equation
1,135,132,982.70 : 1,702,951,416.45 = 521,569,257.90 : x - Step 2: Convert to fraction form
1,135,132,982.70/1,702,951,416.45 = 521,569,257.90/x - Step 3: Cross multiply
1,135,132,982.70x = 1,702,951,416.45 × 521,569,257.90 - Step 4: Simplify right side
1,135,132,982.70x = 888,207,106,517,580,288 - Step 5: Solve for x
x = 888,207,106,517,580,288/1,135,132,982.70 - Step 6: Final answer
x = 782,469,648.98
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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.