Finding the Fourth Proportional to 279,418,599.88, 382,804,847.57 and 268,946,056.96
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Solution
The fourth proportional to 279,418,599.88, 382,804,847.57 and 268,946,056.96 is: 368,457,412.58
Step by Step Solution
- Step 1: Write the proportion equation
279,418,599.88 : 382,804,847.57 = 268,946,056.96 : x - Step 2: Convert to fraction form
279,418,599.88/382,804,847.57 = 268,946,056.96/x - Step 3: Cross multiply
279,418,599.88x = 382,804,847.57 × 268,946,056.96 - Step 4: Simplify right side
279,418,599.88x = 102,953,854,339,125,328 - Step 5: Solve for x
x = 102,953,854,339,125,328/279,418,599.88 - Step 6: Final answer
x = 368,457,412.58
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.