Finding the Fourth Proportional to 611,924,714.70, 917,887,072.05 and 490,992,362.70
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Solution
The fourth proportional to 611,924,714.70, 917,887,072.05 and 490,992,362.70 is: 736,488,544.05
Step by Step Solution
- Step 1: Write the proportion equation
611,924,714.70 : 917,887,072.05 = 490,992,362.70 : x - Step 2: Convert to fraction form
611,924,714.70/917,887,072.05 = 490,992,362.70/x - Step 3: Cross multiply
611,924,714.70x = 917,887,072.05 × 490,992,362.70 - Step 4: Simplify right side
611,924,714.70x = 450,675,542,197,614,592 - Step 5: Solve for x
x = 450,675,542,197,614,592/611,924,714.70 - Step 6: Final answer
x = 736,488,544.05
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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.