Finding the Fourth Proportional to 368,736,337.80, 553,104,506.70 and 252,510,191.10
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Solution
The fourth proportional to 368,736,337.80, 553,104,506.70 and 252,510,191.10 is: 378,765,286.65
Step by Step Solution
- Step 1: Write the proportion equation
368,736,337.80 : 553,104,506.70 = 252,510,191.10 : x - Step 2: Convert to fraction form
368,736,337.80/553,104,506.70 = 252,510,191.10/x - Step 3: Cross multiply
368,736,337.80x = 553,104,506.70 × 252,510,191.10 - Step 4: Simplify right side
368,736,337.80x = 139,664,524,685,088,240 - Step 5: Solve for x
x = 139,664,524,685,088,240/368,736,337.80 - Step 6: Final answer
x = 378,765,286.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.