Finding the Fourth Proportional to 1,587,706,811.10, 2,381,560,216.65 and 497,524,052.70
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Solution
The fourth proportional to 1,587,706,811.10, 2,381,560,216.65 and 497,524,052.70 is: 746,286,079.05
Step by Step Solution
- Step 1: Write the proportion equation
1,587,706,811.10 : 2,381,560,216.65 = 497,524,052.70 : x - Step 2: Convert to fraction form
1,587,706,811.10/2,381,560,216.65 = 497,524,052.70/x - Step 3: Cross multiply
1,587,706,811.10x = 2,381,560,216.65 × 497,524,052.70 - Step 4: Simplify right side
1,587,706,811.10x = 1,184,883,490,736,797,952 - Step 5: Solve for x
x = 1,184,883,490,736,797,952/1,587,706,811.10 - Step 6: Final answer
x = 746,286,079.05
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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.