Finding the Fourth Proportional to 7,623,605,344.31, 10,520,830,550.21 and 4,236,657,388.05
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Solution
The fourth proportional to 7,623,605,344.31, 10,520,830,550.21 and 4,236,657,388.05 is: 5,846,729,003.65
Step by Step Solution
- Step 1: Write the proportion equation
7,623,605,344.31 : 10,520,830,550.21 = 4,236,657,388.05 : x - Step 2: Convert to fraction form
7,623,605,344.31/10,520,830,550.21 = 4,236,657,388.05/x - Step 3: Cross multiply
7,623,605,344.31x = 10,520,830,550.21 × 4,236,657,388.05 - Step 4: Simplify right side
7,623,605,344.31x = 44,573,154,478,948,163,584 - Step 5: Solve for x
x = 44,573,154,478,948,163,584/7,623,605,344.31 - Step 6: Final answer
x = 5,846,729,003.65
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1.5x scale
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.