Finding the Fourth Proportional to 1,073,145,904.70, 1,609,718,857.05 and 582,094,420.70
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Solution
The fourth proportional to 1,073,145,904.70, 1,609,718,857.05 and 582,094,420.70 is: 873,141,631.05
Step by Step Solution
- Step 1: Write the proportion equation
1,073,145,904.70 : 1,609,718,857.05 = 582,094,420.70 : x - Step 2: Convert to fraction form
1,073,145,904.70/1,609,718,857.05 = 582,094,420.70/x - Step 3: Cross multiply
1,073,145,904.70x = 1,609,718,857.05 × 582,094,420.70 - Step 4: Simplify right side
1,073,145,904.70x = 937,008,365,584,385,920 - Step 5: Solve for x
x = 937,008,365,584,385,920/1,073,145,904.70 - Step 6: Final answer
x = 873,141,631.05
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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.