Finding the Fourth Proportional to 609,266,246.15, 913,854,668.99 and 194,631,738.03
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Solution
The fourth proportional to 609,266,246.15, 913,854,668.99 and 194,631,738.03 is: 291,933,327.44
Step by Step Solution
- Step 1: Write the proportion equation
609,266,246.15 : 913,854,668.99 = 194,631,738.03 : x - Step 2: Convert to fraction form
609,266,246.15/913,854,668.99 = 194,631,738.03/x - Step 3: Cross multiply
609,266,246.15x = 913,854,668.99 × 194,631,738.03 - Step 4: Simplify right side
609,266,246.15x = 177,865,122,531,380,896 - Step 5: Solve for x
x = 177,865,122,531,380,896/609,266,246.15 - Step 6: Final answer
x = 291,933,327.44
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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.