Finding the Fourth Proportional to 417,426,221.36, 576,101,329.44 and 252,414,971.84
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Solution
The fourth proportional to 417,426,221.36, 576,101,329.44 and 252,414,971.84 is: 348,364,796.95
Step by Step Solution
- Step 1: Write the proportion equation
417,426,221.36 : 576,101,329.44 = 252,414,971.84 : x - Step 2: Convert to fraction form
417,426,221.36/576,101,329.44 = 252,414,971.84/x - Step 3: Cross multiply
417,426,221.36x = 576,101,329.44 × 252,414,971.84 - Step 4: Simplify right side
417,426,221.36x = 145,416,600,847,584,192 - Step 5: Solve for x
x = 145,416,600,847,584,192/417,426,221.36 - Step 6: Final answer
x = 348,364,796.95
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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.