Finding the Fourth Proportional to 298,980,573.70, 448,470,860.55 and 162,931,677.70
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Solution
The fourth proportional to 298,980,573.70, 448,470,860.55 and 162,931,677.70 is: 244,397,516.55
Step by Step Solution
- Step 1: Write the proportion equation
298,980,573.70 : 448,470,860.55 = 162,931,677.70 : x - Step 2: Convert to fraction form
298,980,573.70/448,470,860.55 = 162,931,677.70/x - Step 3: Cross multiply
298,980,573.70x = 448,470,860.55 × 162,931,677.70 - Step 4: Simplify right side
298,980,573.70x = 73,070,109,708,974,240 - Step 5: Solve for x
x = 73,070,109,708,974,240/298,980,573.70 - Step 6: Final answer
x = 244,397,516.55
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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.