Finding the Fourth Proportional to 661,424,928.02, 912,759,157.31 and 364,060,812.50
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Solution
The fourth proportional to 661,424,928.02, 912,759,157.31 and 364,060,812.50 is: 502,399,934.37
Step by Step Solution
- Step 1: Write the proportion equation
661,424,928.02 : 912,759,157.31 = 364,060,812.50 : x - Step 2: Convert to fraction form
661,424,928.02/912,759,157.31 = 364,060,812.50/x - Step 3: Cross multiply
661,424,928.02x = 912,759,157.31 × 364,060,812.50 - Step 4: Simplify right side
661,424,928.02x = 332,299,840,424,141,760 - Step 5: Solve for x
x = 332,299,840,424,141,760/661,424,928.02 - Step 6: Final answer
x = 502,399,934.37
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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.