Finding the Fourth Proportional to 360,232,727.20, 497,121,588.56 and 195,220,296.70
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Solution
The fourth proportional to 360,232,727.20, 497,121,588.56 and 195,220,296.70 is: 269,404,239.78
Step by Step Solution
- Step 1: Write the proportion equation
360,232,727.20 : 497,121,588.56 = 195,220,296.70 : x - Step 2: Convert to fraction form
360,232,727.20/497,121,588.56 = 195,220,296.70/x - Step 3: Cross multiply
360,232,727.20x = 497,121,588.56 × 195,220,296.70 - Step 4: Simplify right side
360,232,727.20x = 97,048,224,014,658,528 - Step 5: Solve for x
x = 97,048,224,014,658,528/360,232,727.20 - Step 6: Final answer
x = 269,404,239.78
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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.