Finding the Fourth Proportional to 365,974,956.04, 505,054,214.84 and 198,718,266.84
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Solution
The fourth proportional to 365,974,956.04, 505,054,214.84 and 198,718,266.84 is: 274,235,973.19
Step by Step Solution
- Step 1: Write the proportion equation
365,974,956.04 : 505,054,214.84 = 198,718,266.84 : x - Step 2: Convert to fraction form
365,974,956.04/505,054,214.84 = 198,718,266.84/x - Step 3: Cross multiply
365,974,956.04x = 505,054,214.84 × 198,718,266.84 - Step 4: Simplify right side
365,974,956.04x = 100,363,498,233,241,808 - Step 5: Solve for x
x = 100,363,498,233,241,808/365,974,956.04 - Step 6: Final answer
x = 274,235,973.19
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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.