Finding the Fourth Proportional to 360,232,720.65, 497,121,579.63 and 195,220,290.15
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Solution
The fourth proportional to 360,232,720.65, 497,121,579.63 and 195,220,290.15 is: 269,404,230.80
Step by Step Solution
- Step 1: Write the proportion equation
360,232,720.65 : 497,121,579.63 = 195,220,290.15 : x - Step 2: Convert to fraction form
360,232,720.65/497,121,579.63 = 195,220,290.15/x - Step 3: Cross multiply
360,232,720.65x = 497,121,579.63 × 195,220,290.15 - Step 4: Simplify right side
360,232,720.65x = 97,048,219,015,194,928 - Step 5: Solve for x
x = 97,048,219,015,194,928/360,232,720.65 - Step 6: Final answer
x = 269,404,230.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.