Finding the Fourth Proportional to 618,622,798.62, 928,346,795.47 and 225,149,515.52
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Solution
The fourth proportional to 618,622,798.62, 928,346,795.47 and 225,149,515.52 is: 337,874,439.32
Step by Step Solution
- Step 1: Write the proportion equation
618,622,798.62 : 928,346,795.47 = 225,149,515.52 : x - Step 2: Convert to fraction form
618,622,798.62/928,346,795.47 = 225,149,515.52/x - Step 3: Cross multiply
618,622,798.62x = 928,346,795.47 × 225,149,515.52 - Step 4: Simplify right side
618,622,798.62x = 209,016,831,235,472,032 - Step 5: Solve for x
x = 209,016,831,235,472,032/618,622,798.62 - Step 6: Final answer
x = 337,874,439.32
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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.