Finding the Fourth Proportional to 777,190,278.24, 1,166,309,962.70 and 304,430,681.30
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Solution
The fourth proportional to 777,190,278.24, 1,166,309,962.70 and 304,430,681.30 is: 456,851,489.90
Step by Step Solution
- Step 1: Write the proportion equation
777,190,278.24 : 1,166,309,962.70 = 304,430,681.30 : x - Step 2: Convert to fraction form
777,190,278.24/1,166,309,962.70 = 304,430,681.30/x - Step 3: Cross multiply
777,190,278.24x = 1,166,309,962.70 × 304,430,681.30 - Step 4: Simplify right side
777,190,278.24x = 355,060,536,551,738,624 - Step 5: Solve for x
x = 355,060,536,551,738,624/777,190,278.24 - Step 6: Final answer
x = 456,851,489.90
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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.