Finding the Fourth Proportional to 6,713,132,407.96, 10,067,981,040.28 and 1,990,349,973.09
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Solution
The fourth proportional to 6,713,132,407.96, 10,067,981,040.28 and 1,990,349,973.09 is: 2,985,015,723.64
Step by Step Solution
- Step 1: Write the proportion equation
6,713,132,407.96 : 10,067,981,040.28 = 1,990,349,973.09 : x - Step 2: Convert to fraction form
6,713,132,407.96/10,067,981,040.28 = 1,990,349,973.09/x - Step 3: Cross multiply
6,713,132,407.96x = 10,067,981,040.28 × 1,990,349,973.09 - Step 4: Simplify right side
6,713,132,407.96x = 20,038,805,792,636,203,008 - Step 5: Solve for x
x = 20,038,805,792,636,203,008/6,713,132,407.96 - Step 6: Final answer
x = 2,985,015,723.64
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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.