Finding the Fourth Proportional to 419,060,825,138.40, 578,411,537,812.45 and 272,937,412,936.90
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Solution
The fourth proportional to 419,060,825,138.40, 578,411,537,812.45 and 272,937,412,936.90 is: 376,723,709,956.06
Step by Step Solution
- Step 1: Write the proportion equation
419,060,825,138.40 : 578,411,537,812.45 = 272,937,412,936.90 : x - Step 2: Convert to fraction form
419,060,825,138.40/578,411,537,812.45 = 272,937,412,936.90/x - Step 3: Cross multiply
419,060,825,138.40x = 578,411,537,812.45 × 272,937,412,936.90 - Step 4: Simplify right side
419,060,825,138.40x = 157,870,148,743,384,000,364,544 - Step 5: Solve for x
x = 157,870,148,743,384,000,364,544/419,060,825,138.40 - Step 6: Final answer
x = 376,723,709,956.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.