Finding the Fourth Proportional to 545,025,348.60, 816,563,714.40 and 331,681,311.60
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Solution
The fourth proportional to 545,025,348.60, 816,563,714.40 and 331,681,311.60 is: 496,929,040.99
Step by Step Solution
- Step 1: Write the proportion equation
545,025,348.60 : 816,563,714.40 = 331,681,311.60 : x - Step 2: Convert to fraction form
545,025,348.60/816,563,714.40 = 331,681,311.60/x - Step 3: Cross multiply
545,025,348.60x = 816,563,714.40 × 331,681,311.60 - Step 4: Simplify right side
545,025,348.60x = 270,838,923,797,159,808 - Step 5: Solve for x
x = 270,838,923,797,159,808/545,025,348.60 - Step 6: Final answer
x = 496,929,040.99
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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.