Finding the Fourth Proportional to 557,162,759.97, 835,747,701.57 and 163,687,977
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Solution
The fourth proportional to 557,162,759.97, 835,747,701.57 and 163,687,977 is: 245,533,011.86
Step by Step Solution
- Step 1: Write the proportion equation
557,162,759.97 : 835,747,701.57 = 163,687,977 : x - Step 2: Convert to fraction form
557,162,759.97/835,747,701.57 = 163,687,977/x - Step 3: Cross multiply
557,162,759.97x = 835,747,701.57 × 163,687,977 - Step 4: Simplify right side
557,162,759.97x = 136,801,850,552,393,040 - Step 5: Solve for x
x = 136,801,850,552,393,040/557,162,759.97 - Step 6: Final answer
x = 245,533,011.86
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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.