Finding the Fourth Proportional to 499,666,325.50, 688,307,468.16 and 425,088,028.99
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Solution
The fourth proportional to 499,666,325.50, 688,307,468.16 and 425,088,028.99 is: 585,573,311.72
Step by Step Solution
- Step 1: Write the proportion equation
499,666,325.50 : 688,307,468.16 = 425,088,028.99 : x - Step 2: Convert to fraction form
499,666,325.50/688,307,468.16 = 425,088,028.99/x - Step 3: Cross multiply
499,666,325.50x = 688,307,468.16 × 425,088,028.99 - Step 4: Simplify right side
499,666,325.50x = 292,591,264,979,231,552 - Step 5: Solve for x
x = 292,591,264,979,231,552/499,666,325.50 - Step 6: Final answer
x = 585,573,311.72
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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.