Finding the Fourth Proportional to 299,551,879.80, 449,327,819.70 and 265,539,655.80
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Solution
The fourth proportional to 299,551,879.80, 449,327,819.70 and 265,539,655.80 is: 398,309,483.70
Step by Step Solution
- Step 1: Write the proportion equation
299,551,879.80 : 449,327,819.70 = 265,539,655.80 : x - Step 2: Convert to fraction form
299,551,879.80/449,327,819.70 = 265,539,655.80/x - Step 3: Cross multiply
299,551,879.80x = 449,327,819.70 × 265,539,655.80 - Step 4: Simplify right side
299,551,879.80x = 119,314,354,584,502,464 - Step 5: Solve for x
x = 119,314,354,584,502,464/299,551,879.80 - Step 6: Final answer
x = 398,309,483.70
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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.