Finding the Fourth Proportional to 535,233,089.68, 737,245,444.12 and 378,330,448.84
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Solution
The fourth proportional to 535,233,089.68, 737,245,444.12 and 378,330,448.84 is: 521,123,236.13
Step by Step Solution
- Step 1: Write the proportion equation
535,233,089.68 : 737,245,444.12 = 378,330,448.84 : x - Step 2: Convert to fraction form
535,233,089.68/737,245,444.12 = 378,330,448.84/x - Step 3: Cross multiply
535,233,089.68x = 737,245,444.12 × 378,330,448.84 - Step 4: Simplify right side
535,233,089.68x = 278,922,399,779,164,736 - Step 5: Solve for x
x = 278,922,399,779,164,736/535,233,089.68 - Step 6: Final answer
x = 521,123,236.13
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1.5x scale
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.