Finding the Fourth Proportional to 2,385,163,511.88, 3,579,379,531.52 and 832,454,832.94
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Solution
The fourth proportional to 2,385,163,511.88, 3,579,379,531.52 and 832,454,832.94 is: 1,249,252,629.89
Step by Step Solution
- Step 1: Write the proportion equation
2,385,163,511.88 : 3,579,379,531.52 = 832,454,832.94 : x - Step 2: Convert to fraction form
2,385,163,511.88/3,579,379,531.52 = 832,454,832.94/x - Step 3: Cross multiply
2,385,163,511.88x = 3,579,379,531.52 × 832,454,832.94 - Step 4: Simplify right side
2,385,163,511.88x = 2,979,671,789,940,337,152 - Step 5: Solve for x
x = 2,979,671,789,940,337,152/2,385,163,511.88 - Step 6: Final answer
x = 1,249,252,629.89
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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.