Finding the Fourth Proportional to 7,639,874,407.52, 11,459,810,872.56 and 2,119,132,679.84
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Solution
The fourth proportional to 7,639,874,407.52, 11,459,810,872.56 and 2,119,132,679.84 is: 3,178,698,814.86
Step by Step Solution
- Step 1: Write the proportion equation
7,639,874,407.52 : 11,459,810,872.56 = 2,119,132,679.84 : x - Step 2: Convert to fraction form
7,639,874,407.52/11,459,810,872.56 = 2,119,132,679.84/x - Step 3: Cross multiply
7,639,874,407.52x = 11,459,810,872.56 × 2,119,132,679.84 - Step 4: Simplify right side
7,639,874,407.52x = 24,284,859,724,827,639,808 - Step 5: Solve for x
x = 24,284,859,724,827,639,808/7,639,874,407.52 - Step 6: Final answer
x = 3,178,698,814.86
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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.