Finding the Fourth Proportional to 702,399,391.40, 1,053,517,073.18 and 282,203,753.54
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Solution
The fourth proportional to 702,399,391.40, 1,053,517,073.18 and 282,203,753.54 is: 423,272,679.49
Step by Step Solution
- Step 1: Write the proportion equation
702,399,391.40 : 1,053,517,073.18 = 282,203,753.54 : x - Step 2: Convert to fraction form
702,399,391.40/1,053,517,073.18 = 282,203,753.54/x - Step 3: Cross multiply
702,399,391.40x = 1,053,517,073.18 × 282,203,753.54 - Step 4: Simplify right side
702,399,391.40x = 297,306,472,469,870,848 - Step 5: Solve for x
x = 297,306,472,469,870,848/702,399,391.40 - Step 6: Final answer
x = 423,272,679.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.