Finding the Fourth Proportional to 264,958,290, 397,480,606.68 and 78,231,108.20
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Solution
The fourth proportional to 264,958,290, 397,480,606.68 and 78,231,108.20 is: 117,359,409.09
Step by Step Solution
- Step 1: Write the proportion equation
264,958,290 : 397,480,606.68 = 78,231,108.20 : x - Step 2: Convert to fraction form
264,958,290/397,480,606.68 = 78,231,108.20/x - Step 3: Cross multiply
264,958,290x = 397,480,606.68 × 78,231,108.20 - Step 4: Simplify right side
264,958,290x = 31,095,348,348,584,724 - Step 5: Solve for x
x = 31,095,348,348,584,724/264,958,290 - Step 6: Final answer
x = 117,359,409.09
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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.