Finding the Fourth Proportional to 614,851,007.40, 922,276,511.10 and 555,542,191.80
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Solution
The fourth proportional to 614,851,007.40, 922,276,511.10 and 555,542,191.80 is: 833,313,287.70
Step by Step Solution
- Step 1: Write the proportion equation
614,851,007.40 : 922,276,511.10 = 555,542,191.80 : x - Step 2: Convert to fraction form
614,851,007.40/922,276,511.10 = 555,542,191.80/x - Step 3: Cross multiply
614,851,007.40x = 922,276,511.10 × 555,542,191.80 - Step 4: Simplify right side
614,851,007.40x = 512,363,514,422,150,976 - Step 5: Solve for x
x = 512,363,514,422,150,976/614,851,007.40 - Step 6: Final answer
x = 833,313,287.70
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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.