Finding the Fourth Proportional to 944,786,140.80, 1,417,179,211.20 and 531,537,619.20
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Solution
The fourth proportional to 944,786,140.80, 1,417,179,211.20 and 531,537,619.20 is: 797,306,428.80
Step by Step Solution
- Step 1: Write the proportion equation
944,786,140.80 : 1,417,179,211.20 = 531,537,619.20 : x - Step 2: Convert to fraction form
944,786,140.80/1,417,179,211.20 = 531,537,619.20/x - Step 3: Cross multiply
944,786,140.80x = 1,417,179,211.20 × 531,537,619.20 - Step 4: Simplify right side
944,786,140.80x = 753,284,063,900,982,016 - Step 5: Solve for x
x = 753,284,063,900,982,016/944,786,140.80 - Step 6: Final answer
x = 797,306,428.80
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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.