Finding the Fourth Proportional to 653,534,868.68, 980,494,635.87 and 210,869,244.19
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Solution
The fourth proportional to 653,534,868.68, 980,494,635.87 and 210,869,244.19 is: 316,365,924.31
Step by Step Solution
- Step 1: Write the proportion equation
653,534,868.68 : 980,494,635.87 = 210,869,244.19 : x - Step 2: Convert to fraction form
653,534,868.68/980,494,635.87 = 210,869,244.19/x - Step 3: Cross multiply
653,534,868.68x = 980,494,635.87 × 210,869,244.19 - Step 4: Simplify right side
653,534,868.68x = 206,756,162,798,256,160 - Step 5: Solve for x
x = 206,756,162,798,256,160/653,534,868.68 - Step 6: Final answer
x = 316,365,924.31
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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.