Finding the Fourth Proportional to 499,666,324.50, 688,307,466.78 and 425,088,027.99
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Solution
The fourth proportional to 499,666,324.50, 688,307,466.78 and 425,088,027.99 is: 585,573,310.34
Step by Step Solution
- Step 1: Write the proportion equation
499,666,324.50 : 688,307,466.78 = 425,088,027.99 : x - Step 2: Convert to fraction form
499,666,324.50/688,307,466.78 = 425,088,027.99/x - Step 3: Cross multiply
499,666,324.50x = 688,307,466.78 × 425,088,027.99 - Step 4: Simplify right side
499,666,324.50x = 292,591,263,704,302,656 - Step 5: Solve for x
x = 292,591,263,704,302,656/499,666,324.50 - Step 6: Final answer
x = 585,573,310.34
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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.