Finding the Fourth Proportional to 5,053,005,687.54, 6,972,679,890.53 and 2,794,896,613.41
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Solution
The fourth proportional to 5,053,005,687.54, 6,972,679,890.53 and 2,794,896,613.41 is: 3,856,698,491.45
Step by Step Solution
- Step 1: Write the proportion equation
5,053,005,687.54 : 6,972,679,890.53 = 2,794,896,613.41 : x - Step 2: Convert to fraction form
5,053,005,687.54/6,972,679,890.53 = 2,794,896,613.41/x - Step 3: Cross multiply
5,053,005,687.54x = 6,972,679,890.53 × 2,794,896,613.41 - Step 4: Simplify right side
5,053,005,687.54x = 19,487,919,412,434,305,024 - Step 5: Solve for x
x = 19,487,919,412,434,305,024/5,053,005,687.54 - Step 6: Final answer
x = 3,856,698,491.45
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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.