Finding the Fourth Proportional to 360,232,747.32, 497,121,616.53 and 195,220,316.82
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Solution
The fourth proportional to 360,232,747.32, 497,121,616.53 and 195,220,316.82 is: 269,404,267.65
Step by Step Solution
- Step 1: Write the proportion equation
360,232,747.32 : 497,121,616.53 = 195,220,316.82 : x - Step 2: Convert to fraction form
360,232,747.32/497,121,616.53 = 195,220,316.82/x - Step 3: Cross multiply
360,232,747.32x = 497,121,616.53 × 195,220,316.82 - Step 4: Simplify right side
360,232,747.32x = 97,048,239,477,057,136 - Step 5: Solve for x
x = 97,048,239,477,057,136/360,232,747.32 - Step 6: Final answer
x = 269,404,267.65
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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.