Finding the Fourth Proportional to 6,376,359,872.20, 9,566,331,398.70 and 3,104,915,801.80
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Solution
The fourth proportional to 6,376,359,872.20, 9,566,331,398.70 and 3,104,915,801.80 is: 4,658,246,102.86
Step by Step Solution
- Step 1: Write the proportion equation
6,376,359,872.20 : 9,566,331,398.70 = 3,104,915,801.80 : x - Step 2: Convert to fraction form
6,376,359,872.20/9,566,331,398.70 = 3,104,915,801.80/x - Step 3: Cross multiply
6,376,359,872.20x = 9,566,331,398.70 × 3,104,915,801.80 - Step 4: Simplify right side
6,376,359,872.20x = 29,702,653,525,079,130,112 - Step 5: Solve for x
x = 29,702,653,525,079,130,112/6,376,359,872.20 - Step 6: Final answer
x = 4,658,246,102.86
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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.