Finding the Fourth Proportional to 351,793,491.92, 485,475,585.96 and 195,160,603.76
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Solution
The fourth proportional to 351,793,491.92, 485,475,585.96 and 195,160,603.76 is: 269,321,947.80
Step by Step Solution
- Step 1: Write the proportion equation
351,793,491.92 : 485,475,585.96 = 195,160,603.76 : x - Step 2: Convert to fraction form
351,793,491.92/485,475,585.96 = 195,160,603.76/x - Step 3: Cross multiply
351,793,491.92x = 485,475,585.96 × 195,160,603.76 - Step 4: Simplify right side
351,793,491.92x = 94,745,708,466,693,376 - Step 5: Solve for x
x = 94,745,708,466,693,376/351,793,491.92 - Step 6: Final answer
x = 269,321,947.80
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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.