Finding the Fourth Proportional to 464,563,689.03, 641,114,807.49 and 252,860,294.70
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Solution
The fourth proportional to 464,563,689.03, 641,114,807.49 and 252,860,294.70 is: 348,956,414.34
Step by Step Solution
- Step 1: Write the proportion equation
464,563,689.03 : 641,114,807.49 = 252,860,294.70 : x - Step 2: Convert to fraction form
464,563,689.03/641,114,807.49 = 252,860,294.70/x - Step 3: Cross multiply
464,563,689.03x = 641,114,807.49 × 252,860,294.70 - Step 4: Simplify right side
464,563,689.03x = 162,112,479,158,455,168 - Step 5: Solve for x
x = 162,112,479,158,455,168/464,563,689.03 - Step 6: Final answer
x = 348,956,414.34
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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.