Finding the Fourth Proportional to 7,970,921,985.84, 11,951,757,270.69 and 3,773,839,566.18
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Solution
The fourth proportional to 7,970,921,985.84, 11,951,757,270.69 and 3,773,839,566.18 is: 5,658,569,303.98
Step by Step Solution
- Step 1: Write the proportion equation
7,970,921,985.84 : 11,951,757,270.69 = 3,773,839,566.18 : x - Step 2: Convert to fraction form
7,970,921,985.84/11,951,757,270.69 = 3,773,839,566.18/x - Step 3: Cross multiply
7,970,921,985.84x = 11,951,757,270.69 × 3,773,839,566.18 - Step 4: Simplify right side
7,970,921,985.84x = 45,104,014,473,509,412,864 - Step 5: Solve for x
x = 45,104,014,473,509,412,864/7,970,921,985.84 - Step 6: Final answer
x = 5,658,569,303.98
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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.