Finding the Fourth Proportional to 462,361,576.14, 638,151,670.44 and 274,294,258.92
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Solution
The fourth proportional to 462,361,576.14, 638,151,670.44 and 274,294,258.92 is: 378,581,068.49
Step by Step Solution
- Step 1: Write the proportion equation
462,361,576.14 : 638,151,670.44 = 274,294,258.92 : x - Step 2: Convert to fraction form
462,361,576.14/638,151,670.44 = 274,294,258.92/x - Step 3: Cross multiply
462,361,576.14x = 638,151,670.44 × 274,294,258.92 - Step 4: Simplify right side
462,361,576.14x = 175,041,339,521,899,904 - Step 5: Solve for x
x = 175,041,339,521,899,904/462,361,576.14 - Step 6: Final answer
x = 378,581,068.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.