Finding the Fourth Proportional to 1,176,783,815.36, 1,764,562,896.48 and 439,247,283.84
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Solution
The fourth proportional to 1,176,783,815.36, 1,764,562,896.48 and 439,247,283.84 is: 658,642,181.62
Step by Step Solution
- Step 1: Write the proportion equation
1,176,783,815.36 : 1,764,562,896.48 = 439,247,283.84 : x - Step 2: Convert to fraction form
1,176,783,815.36/1,764,562,896.48 = 439,247,283.84/x - Step 3: Cross multiply
1,176,783,815.36x = 1,764,562,896.48 × 439,247,283.84 - Step 4: Simplify right side
1,176,783,815.36x = 775,079,459,443,683,072 - Step 5: Solve for x
x = 775,079,459,443,683,072/1,176,783,815.36 - Step 6: Final answer
x = 658,642,181.62
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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.