Finding the Fourth Proportional to 348,814,873.42, 481,364,305.99 and 192,181,978.84
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Solution
The fourth proportional to 348,814,873.42, 481,364,305.99 and 192,181,978.84 is: 265,211,009.96
Step by Step Solution
- Step 1: Write the proportion equation
348,814,873.42 : 481,364,305.99 = 192,181,978.84 : x - Step 2: Convert to fraction form
348,814,873.42/481,364,305.99 = 192,181,978.84/x - Step 3: Cross multiply
348,814,873.42x = 481,364,305.99 × 192,181,978.84 - Step 4: Simplify right side
348,814,873.42x = 92,509,544,868,101,472 - Step 5: Solve for x
x = 92,509,544,868,101,472/348,814,873.42 - Step 6: Final answer
x = 265,211,009.96
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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.