Finding the Fourth Proportional to 1,409,523,453.12, 2,112,112,176.48 and 754,561,392.96
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Solution
The fourth proportional to 1,409,523,453.12, 2,112,112,176.48 and 754,561,392.96 is: 1,130,678,813.78
Step by Step Solution
- Step 1: Write the proportion equation
1,409,523,453.12 : 2,112,112,176.48 = 754,561,392.96 : x - Step 2: Convert to fraction form
1,409,523,453.12/2,112,112,176.48 = 754,561,392.96/x - Step 3: Cross multiply
1,409,523,453.12x = 2,112,112,176.48 × 754,561,392.96 - Step 4: Simplify right side
1,409,523,453.12x = 1,593,718,305,972,526,336 - Step 5: Solve for x
x = 1,593,718,305,972,526,336/1,409,523,453.12 - Step 6: Final answer
x = 1,130,678,813.78
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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.