Finding the Fourth Proportional to 576,775,216.30, 865,186,444.05 and 167,831,366.80
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Solution
The fourth proportional to 576,775,216.30, 865,186,444.05 and 167,831,366.80 is: 251,753,923.09
Step by Step Solution
- Step 1: Write the proportion equation
576,775,216.30 : 865,186,444.05 = 167,831,366.80 : x - Step 2: Convert to fraction form
576,775,216.30/865,186,444.05 = 167,831,366.80/x - Step 3: Cross multiply
576,775,216.30x = 865,186,444.05 × 167,831,366.80 - Step 4: Simplify right side
576,775,216.30x = 145,205,423,441,743,232 - Step 5: Solve for x
x = 145,205,423,441,743,232/576,775,216.30 - Step 6: Final answer
x = 251,753,923.09
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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.