Finding the Fourth Proportional to 279,080,283.84, 418,588,483.55 and 74,624,302.32
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Solution
The fourth proportional to 279,080,283.84, 418,588,483.55 and 74,624,302.32 is: 111,927,912.33
Step by Step Solution
- Step 1: Write the proportion equation
279,080,283.84 : 418,588,483.55 = 74,624,302.32 : x - Step 2: Convert to fraction form
279,080,283.84/418,588,483.55 = 74,624,302.32/x - Step 3: Cross multiply
279,080,283.84x = 418,588,483.55 × 74,624,302.32 - Step 4: Simplify right side
279,080,283.84x = 31,236,873,543,732,424 - Step 5: Solve for x
x = 31,236,873,543,732,424/279,080,283.84 - Step 6: Final answer
x = 111,927,912.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.