Finding the Fourth Proportional to 465,807,687.14, 698,449,349.43 and 154,748,774.42
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Solution
The fourth proportional to 465,807,687.14, 698,449,349.43 and 154,748,774.42 is: 232,036,060.81
Step by Step Solution
- Step 1: Write the proportion equation
465,807,687.14 : 698,449,349.43 = 154,748,774.42 : x - Step 2: Convert to fraction form
465,807,687.14/698,449,349.43 = 154,748,774.42/x - Step 3: Cross multiply
465,807,687.14x = 698,449,349.43 × 154,748,774.42 - Step 4: Simplify right side
465,807,687.14x = 108,084,180,818,738,816 - Step 5: Solve for x
x = 108,084,180,818,738,816/465,807,687.14 - Step 6: Final answer
x = 232,036,060.81
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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.