Finding the Fourth Proportional to 730,319,839.92, 1,007,949,552.84 and 462,420,576
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Solution
The fourth proportional to 730,319,839.92, 1,007,949,552.84 and 462,420,576 is: 638,208,887.84
Step by Step Solution
- Step 1: Write the proportion equation
730,319,839.92 : 1,007,949,552.84 = 462,420,576 : x - Step 2: Convert to fraction form
730,319,839.92/1,007,949,552.84 = 462,420,576/x - Step 3: Cross multiply
730,319,839.92x = 1,007,949,552.84 × 462,420,576 - Step 4: Simplify right side
730,319,839.92x = 466,096,612,803,215,232 - Step 5: Solve for x
x = 466,096,612,803,215,232/730,319,839.92 - Step 6: Final answer
x = 638,208,887.84
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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.