Finding the Fourth Proportional to 1,419,786,888.93, 2,129,723,719.90 and 487,096,653.70
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Solution
The fourth proportional to 1,419,786,888.93, 2,129,723,719.90 and 487,096,653.70 is: 730,659,865.48
Step by Step Solution
- Step 1: Write the proportion equation
1,419,786,888.93 : 2,129,723,719.90 = 487,096,653.70 : x - Step 2: Convert to fraction form
1,419,786,888.93/2,129,723,719.90 = 487,096,653.70/x - Step 3: Cross multiply
1,419,786,888.93x = 2,129,723,719.90 × 487,096,653.70 - Step 4: Simplify right side
1,419,786,888.93x = 1,037,381,297,270,250,624 - Step 5: Solve for x
x = 1,037,381,297,270,250,624/1,419,786,888.93 - Step 6: Final answer
x = 730,659,865.48
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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.