Finding the Fourth Proportional to 499,351,302.40, 749,026,953.60 and 305,859,539.20
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Solution
The fourth proportional to 499,351,302.40, 749,026,953.60 and 305,859,539.20 is: 458,789,308.80
Step by Step Solution
- Step 1: Write the proportion equation
499,351,302.40 : 749,026,953.60 = 305,859,539.20 : x - Step 2: Convert to fraction form
499,351,302.40/749,026,953.60 = 305,859,539.20/x - Step 3: Cross multiply
499,351,302.40x = 749,026,953.60 × 305,859,539.20 - Step 4: Simplify right side
499,351,302.40x = 229,097,038,876,475,776 - Step 5: Solve for x
x = 229,097,038,876,475,776/499,351,302.40 - Step 6: Final answer
x = 458,789,308.80
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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.