Finding the Fourth Proportional to 769,780,553.36, 1,062,305,057.84 and 417,357,225.68
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Solution
The fourth proportional to 769,780,553.36, 1,062,305,057.84 and 417,357,225.68 is: 575,957,251.49
Step by Step Solution
- Step 1: Write the proportion equation
769,780,553.36 : 1,062,305,057.84 = 417,357,225.68 : x - Step 2: Convert to fraction form
769,780,553.36/1,062,305,057.84 = 417,357,225.68/x - Step 3: Cross multiply
769,780,553.36x = 1,062,305,057.84 × 417,357,225.68 - Step 4: Simplify right side
769,780,553.36x = 443,360,691,758,536,064 - Step 5: Solve for x
x = 443,360,691,758,536,064/769,780,553.36 - Step 6: Final answer
x = 575,957,251.49
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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.