Finding the Fourth Proportional to 676,651,122.66, 933,973,161.24 and 408,684,391.11
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Solution
The fourth proportional to 676,651,122.66, 933,973,161.24 and 408,684,391.11 is: 564,102,001.65
Step by Step Solution
- Step 1: Write the proportion equation
676,651,122.66 : 933,973,161.24 = 408,684,391.11 : x - Step 2: Convert to fraction form
676,651,122.66/933,973,161.24 = 408,684,391.11/x - Step 3: Cross multiply
676,651,122.66x = 933,973,161.24 × 408,684,391.11 - Step 4: Simplify right side
676,651,122.66x = 381,700,252,715,983,808 - Step 5: Solve for x
x = 381,700,252,715,983,808/676,651,122.66 - Step 6: Final answer
x = 564,102,001.65
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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.