Finding the Fourth Proportional to 323,883,576.18, 485,435,036.67 and 148,764,958.53
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Solution
The fourth proportional to 323,883,576.18, 485,435,036.67 and 148,764,958.53 is: 222,968,154.02
Step by Step Solution
- Step 1: Write the proportion equation
323,883,576.18 : 485,435,036.67 = 148,764,958.53 : x - Step 2: Convert to fraction form
323,883,576.18/485,435,036.67 = 148,764,958.53/x - Step 3: Cross multiply
323,883,576.18x = 485,435,036.67 × 148,764,958.53 - Step 4: Simplify right side
323,883,576.18x = 72,215,723,099,221,584 - Step 5: Solve for x
x = 72,215,723,099,221,584/323,883,576.18 - Step 6: Final answer
x = 222,968,154.02
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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.