Finding the Fourth Proportional to 361,543,713.97, 498,935,792.06 and 202,809,023.83
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Solution
The fourth proportional to 361,543,713.97, 498,935,792.06 and 202,809,023.83 is: 279,879,519.50
Step by Step Solution
- Step 1: Write the proportion equation
361,543,713.97 : 498,935,792.06 = 202,809,023.83 : x - Step 2: Convert to fraction form
361,543,713.97/498,935,792.06 = 202,809,023.83/x - Step 3: Cross multiply
361,543,713.97x = 498,935,792.06 × 202,809,023.83 - Step 4: Simplify right side
361,543,713.97x = 101,188,680,943,878,528 - Step 5: Solve for x
x = 101,188,680,943,878,528/361,543,713.97 - Step 6: Final answer
x = 279,879,519.50
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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.