Finding the Fourth Proportional to 378,979,878.66, 568,524,045.36 and 116,686,622.49
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Solution
The fourth proportional to 378,979,878.66, 568,524,045.36 and 116,686,622.49 is: 175,046,630.16
Step by Step Solution
- Step 1: Write the proportion equation
378,979,878.66 : 568,524,045.36 = 116,686,622.49 : x - Step 2: Convert to fraction form
378,979,878.66/568,524,045.36 = 116,686,622.49/x - Step 3: Cross multiply
378,979,878.66x = 568,524,045.36 × 116,686,622.49 - Step 4: Simplify right side
378,979,878.66x = 66,339,150,657,409,952 - Step 5: Solve for x
x = 66,339,150,657,409,952/378,979,878.66 - Step 6: Final answer
x = 175,046,630.16
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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.