Finding the Fourth Proportional to 956,991,714.52, 1,320,894,285.66 and 623,295,777.19
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Solution
The fourth proportional to 956,991,714.52, 1,320,894,285.66 and 623,295,777.19 is: 860,308,211.53
Step by Step Solution
- Step 1: Write the proportion equation
956,991,714.52 : 1,320,894,285.66 = 623,295,777.19 : x - Step 2: Convert to fraction form
956,991,714.52/1,320,894,285.66 = 623,295,777.19/x - Step 3: Cross multiply
956,991,714.52x = 1,320,894,285.66 × 623,295,777.19 - Step 4: Simplify right side
956,991,714.52x = 823,307,830,366,279,680 - Step 5: Solve for x
x = 823,307,830,366,279,680/956,991,714.52 - Step 6: Final answer
x = 860,308,211.53
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1.5x scale
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.