Finding the Fourth Proportional to 1,212,436,861.41, 1,818,647,660.66 and 652,462,464.30
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Solution
The fourth proportional to 1,212,436,861.41, 1,818,647,660.66 and 652,462,464.30 is: 978,689,589.65
Step by Step Solution
- Step 1: Write the proportion equation
1,212,436,861.41 : 1,818,647,660.66 = 652,462,464.30 : x - Step 2: Convert to fraction form
1,212,436,861.41/1,818,647,660.66 = 652,462,464.30/x - Step 3: Cross multiply
1,212,436,861.41x = 1,818,647,660.66 × 652,462,464.30 - Step 4: Simplify right side
1,212,436,861.41x = 1,186,599,334,367,755,776 - Step 5: Solve for x
x = 1,186,599,334,367,755,776/1,212,436,861.41 - Step 6: Final answer
x = 978,689,589.65
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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.