Finding the Fourth Proportional to 2,514,686,631.80, 3,470,341,576.09 and 1,385,729,118.40
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Solution
The fourth proportional to 2,514,686,631.80, 3,470,341,576.09 and 1,385,729,118.40 is: 1,912,346,974.75
Step by Step Solution
- Step 1: Write the proportion equation
2,514,686,631.80 : 3,470,341,576.09 = 1,385,729,118.40 : x - Step 2: Convert to fraction form
2,514,686,631.80/3,470,341,576.09 = 1,385,729,118.40/x - Step 3: Cross multiply
2,514,686,631.80x = 3,470,341,576.09 × 1,385,729,118.40 - Step 4: Simplify right side
2,514,686,631.80x = 4,808,953,372,769,922,048 - Step 5: Solve for x
x = 4,808,953,372,769,922,048/2,514,686,631.80 - Step 6: Final answer
x = 1,912,346,974.75
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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.