Finding the Fourth Proportional to 348,275,102.23, 480,605,135.51 and 189,505,848.69
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Solution
The fourth proportional to 348,275,102.23, 480,605,135.51 and 189,505,848.69 is: 261,510,178.32
Step by Step Solution
- Step 1: Write the proportion equation
348,275,102.23 : 480,605,135.51 = 189,505,848.69 : x - Step 2: Convert to fraction form
348,275,102.23/480,605,135.51 = 189,505,848.69/x - Step 3: Cross multiply
348,275,102.23x = 480,605,135.51 × 189,505,848.69 - Step 4: Simplify right side
348,275,102.23x = 91,077,484,089,001,840 - Step 5: Solve for x
x = 91,077,484,089,001,840/348,275,102.23 - Step 6: Final answer
x = 261,510,178.32
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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.