Finding the Fourth Proportional to 754,680,619.99, 1,132,538,021.24 and 263,393,889.56
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Solution
The fourth proportional to 754,680,619.99, 1,132,538,021.24 and 263,393,889.56 is: 395,271,306.29
Step by Step Solution
- Step 1: Write the proportion equation
754,680,619.99 : 1,132,538,021.24 = 263,393,889.56 : x - Step 2: Convert to fraction form
754,680,619.99/1,132,538,021.24 = 263,393,889.56/x - Step 3: Cross multiply
754,680,619.99x = 1,132,538,021.24 × 263,393,889.56 - Step 4: Simplify right side
754,680,619.99x = 298,303,594,494,597,184 - Step 5: Solve for x
x = 298,303,594,494,597,184/754,680,619.99 - Step 6: Final answer
x = 395,271,306.29
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1.5x scale
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.