Finding the Fourth Proportional to 295,085,649.20, 442,628,473.80 and 286,582,593.20
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Solution
The fourth proportional to 295,085,649.20, 442,628,473.80 and 286,582,593.20 is: 429,873,889.80
Step by Step Solution
- Step 1: Write the proportion equation
295,085,649.20 : 442,628,473.80 = 286,582,593.20 : x - Step 2: Convert to fraction form
295,085,649.20/442,628,473.80 = 286,582,593.20/x - Step 3: Cross multiply
295,085,649.20x = 442,628,473.80 × 286,582,593.20 - Step 4: Simplify right side
295,085,649.20x = 126,849,615,845,762,256 - Step 5: Solve for x
x = 126,849,615,845,762,256/295,085,649.20 - Step 6: Final answer
x = 429,873,889.80
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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.