Finding the Fourth Proportional to 450,149,279.20, 675,129,439.08 and 126,957,568.48
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Solution
The fourth proportional to 450,149,279.20, 675,129,439.08 and 126,957,568.48 is: 190,409,706.19
Step by Step Solution
- Step 1: Write the proportion equation
450,149,279.20 : 675,129,439.08 = 126,957,568.48 : x - Step 2: Convert to fraction form
450,149,279.20/675,129,439.08 = 126,957,568.48/x - Step 3: Cross multiply
450,149,279.20x = 675,129,439.08 × 126,957,568.48 - Step 4: Simplify right side
450,149,279.20x = 85,712,791,994,863,104 - Step 5: Solve for x
x = 85,712,791,994,863,104/450,149,279.20 - Step 6: Final answer
x = 190,409,706.19
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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.