Finding the Fourth Proportional to 434,560,892.10, 651,841,338.15 and 395,021,681.70
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Solution
The fourth proportional to 434,560,892.10, 651,841,338.15 and 395,021,681.70 is: 592,532,522.55
Step by Step Solution
- Step 1: Write the proportion equation
434,560,892.10 : 651,841,338.15 = 395,021,681.70 : x - Step 2: Convert to fraction form
434,560,892.10/651,841,338.15 = 395,021,681.70/x - Step 3: Cross multiply
434,560,892.10x = 651,841,338.15 × 395,021,681.70 - Step 4: Simplify right side
434,560,892.10x = 257,491,461,597,591,360 - Step 5: Solve for x
x = 257,491,461,597,591,360/434,560,892.10 - Step 6: Final answer
x = 592,532,522.55
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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.