Finding the Fourth Proportional to 653,534,866.68, 980,494,632.87 and 210,869,242.19
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Solution
The fourth proportional to 653,534,866.68, 980,494,632.87 and 210,869,242.19 is: 316,365,921.31
Step by Step Solution
- Step 1: Write the proportion equation
653,534,866.68 : 980,494,632.87 = 210,869,242.19 : x - Step 2: Convert to fraction form
653,534,866.68/980,494,632.87 = 210,869,242.19/x - Step 3: Cross multiply
653,534,866.68x = 980,494,632.87 × 210,869,242.19 - Step 4: Simplify right side
653,534,866.68x = 206,756,160,204,659,168 - Step 5: Solve for x
x = 206,756,160,204,659,168/653,534,866.68 - Step 6: Final answer
x = 316,365,921.31
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1.5x scale
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.