Finding the Fourth Proportional to 1,176,612,866.12, 1,765,152,039.34 and 336,263,148.95
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Solution
The fourth proportional to 1,176,612,866.12, 1,765,152,039.34 and 336,263,148.95 is: 504,461,238.03
Step by Step Solution
- Step 1: Write the proportion equation
1,176,612,866.12 : 1,765,152,039.34 = 336,263,148.95 : x - Step 2: Convert to fraction form
1,176,612,866.12/1,765,152,039.34 = 336,263,148.95/x - Step 3: Cross multiply
1,176,612,866.12x = 1,765,152,039.34 × 336,263,148.95 - Step 4: Simplify right side
1,176,612,866.12x = 593,555,583,123,632,768 - Step 5: Solve for x
x = 593,555,583,123,632,768/1,176,612,866.12 - Step 6: Final answer
x = 504,461,238.03
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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.