Finding the Fourth Proportional to 676,599,195,470.90, 1,015,345,912,247.60 and 318,553,563,184.74
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Solution
The fourth proportional to 676,599,195,470.90, 1,015,345,912,247.60 and 318,553,563,184.74 is: 478,040,855,467.50
Step by Step Solution
- Step 1: Write the proportion equation
676,599,195,470.90 : 1,015,345,912,247.60 = 318,553,563,184.74 : x - Step 2: Convert to fraction form
676,599,195,470.90/1,015,345,912,247.60 = 318,553,563,184.74/x - Step 3: Cross multiply
676,599,195,470.90x = 1,015,345,912,247.60 × 318,553,563,184.74 - Step 4: Simplify right side
676,599,195,470.90x = 323,442,058,211,533,321,666,560 - Step 5: Solve for x
x = 323,442,058,211,533,321,666,560/676,599,195,470.90 - Step 6: Final answer
x = 478,040,855,467.50
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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.