Finding the Fourth Proportional to 4,228,863,037.80, 6,343,294,556.70 and 3,140,471,869.80
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Solution
The fourth proportional to 4,228,863,037.80, 6,343,294,556.70 and 3,140,471,869.80 is: 4,710,707,804.70
Step by Step Solution
- Step 1: Write the proportion equation
4,228,863,037.80 : 6,343,294,556.70 = 3,140,471,869.80 : x - Step 2: Convert to fraction form
4,228,863,037.80/6,343,294,556.70 = 3,140,471,869.80/x - Step 3: Cross multiply
4,228,863,037.80x = 6,343,294,556.70 × 3,140,471,869.80 - Step 4: Simplify right side
4,228,863,037.80x = 19,920,938,117,171,810,304 - Step 5: Solve for x
x = 19,920,938,117,171,810,304/4,228,863,037.80 - Step 6: Final answer
x = 4,710,707,804.70
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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.