Finding the Fourth Proportional to 4,035,520,943.68, 5,569,402,232.64 and 2,530,385,553.28
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Solution
The fourth proportional to 4,035,520,943.68, 5,569,402,232.64 and 2,530,385,553.28 is: 3,492,172,422.48
Step by Step Solution
- Step 1: Write the proportion equation
4,035,520,943.68 : 5,569,402,232.64 = 2,530,385,553.28 : x - Step 2: Convert to fraction form
4,035,520,943.68/5,569,402,232.64 = 2,530,385,553.28/x - Step 3: Cross multiply
4,035,520,943.68x = 5,569,402,232.64 × 2,530,385,553.28 - Step 4: Simplify right side
4,035,520,943.68x = 14,092,734,949,877,635,072 - Step 5: Solve for x
x = 14,092,734,949,877,635,072/4,035,520,943.68 - Step 6: Final answer
x = 3,492,172,422.48
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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.