Finding the Fourth Proportional to 1,632,941,808.29, 2,449,405,721.66 and 452,518,915.99
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Solution
The fourth proportional to 1,632,941,808.29, 2,449,405,721.66 and 452,518,915.99 is: 678,776,436.71
Step by Step Solution
- Step 1: Write the proportion equation
1,632,941,808.29 : 2,449,405,721.66 = 452,518,915.99 : x - Step 2: Convert to fraction form
1,632,941,808.29/2,449,405,721.66 = 452,518,915.99/x - Step 3: Cross multiply
1,632,941,808.29x = 2,449,405,721.66 × 452,518,915.99 - Step 4: Simplify right side
1,632,941,808.29x = 1,108,402,421,985,286,784 - Step 5: Solve for x
x = 1,108,402,421,985,286,784/1,632,941,808.29 - Step 6: Final answer
x = 678,776,436.71
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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.