Finding the Fourth Proportional to 863,453,953.35, 1,295,271,657.72 and 281,233,536.17
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Solution
The fourth proportional to 863,453,953.35, 1,295,271,657.72 and 281,233,536.17 is: 421,879,854.95
Step by Step Solution
- Step 1: Write the proportion equation
863,453,953.35 : 1,295,271,657.72 = 281,233,536.17 : x - Step 2: Convert to fraction form
863,453,953.35/1,295,271,657.72 = 281,233,536.17/x - Step 3: Cross multiply
863,453,953.35x = 1,295,271,657.72 × 281,233,536.17 - Step 4: Simplify right side
863,453,953.35x = 364,273,828,594,897,152 - Step 5: Solve for x
x = 364,273,828,594,897,152/863,453,953.35 - Step 6: Final answer
x = 421,879,854.95
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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.