Finding the Fourth Proportional to 862,969,530.36, 1,295,375,446.98 and 371,925,135.48
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Solution
The fourth proportional to 862,969,530.36, 1,295,375,446.98 and 371,925,135.48 is: 558,284,703.77
Step by Step Solution
- Step 1: Write the proportion equation
862,969,530.36 : 1,295,375,446.98 = 371,925,135.48 : x - Step 2: Convert to fraction form
862,969,530.36/1,295,375,446.98 = 371,925,135.48/x - Step 3: Cross multiply
862,969,530.36x = 1,295,375,446.98 × 371,925,135.48 - Step 4: Simplify right side
862,969,530.36x = 481,782,688,615,502,080 - Step 5: Solve for x
x = 481,782,688,615,502,080/862,969,530.36 - Step 6: Final answer
x = 558,284,703.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.