Finding the Fourth Proportional to 348,161,228.86, 480,447,347.79 and 191,518,403.62
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Solution
The fourth proportional to 348,161,228.86, 480,447,347.79 and 191,518,403.62 is: 264,287,064.28
Step by Step Solution
- Step 1: Write the proportion equation
348,161,228.86 : 480,447,347.79 = 191,518,403.62 : x - Step 2: Convert to fraction form
348,161,228.86/480,447,347.79 = 191,518,403.62/x - Step 3: Cross multiply
348,161,228.86x = 480,447,347.79 × 191,518,403.62 - Step 4: Simplify right side
348,161,228.86x = 92,014,509,072,203,744 - Step 5: Solve for x
x = 92,014,509,072,203,744/348,161,228.86 - Step 6: Final answer
x = 264,287,064.28
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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.