Finding the Fourth Proportional to 9,986,966,077.12, 14,959,602,838.08 and 5,990,375,479.31
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Solution
The fourth proportional to 9,986,966,077.12, 14,959,602,838.08 and 5,990,375,479.31 is: 8,973,059,218.33
Step by Step Solution
- Step 1: Write the proportion equation
9,986,966,077.12 : 14,959,602,838.08 = 5,990,375,479.31 : x - Step 2: Convert to fraction form
9,986,966,077.12/14,959,602,838.08 = 5,990,375,479.31/x - Step 3: Cross multiply
9,986,966,077.12x = 14,959,602,838.08 × 5,990,375,479.31 - Step 4: Simplify right side
9,986,966,077.12x = 89,613,638,021,450,727,424 - Step 5: Solve for x
x = 89,613,638,021,450,727,424/9,986,966,077.12 - Step 6: Final answer
x = 8,973,059,218.33
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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.