Finding the Fourth Proportional to 3,677,921,623.80, 5,078,423,772.99 and 2,961,180,423
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Solution
The fourth proportional to 3,677,921,623.80, 5,078,423,772.99 and 2,961,180,423 is: 4,088,757,345.71
Step by Step Solution
- Step 1: Write the proportion equation
3,677,921,623.80 : 5,078,423,772.99 = 2,961,180,423 : x - Step 2: Convert to fraction form
3,677,921,623.80/5,078,423,772.99 = 2,961,180,423/x - Step 3: Cross multiply
3,677,921,623.80x = 5,078,423,772.99 × 2,961,180,423 - Step 4: Simplify right side
3,677,921,623.80x = 15,038,129,056,275,783,680 - Step 5: Solve for x
x = 15,038,129,056,275,783,680/3,677,921,623.80 - Step 6: Final answer
x = 4,088,757,345.71
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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.