Finding the Fourth Proportional to 3,141,545,693.88, 4,335,346,197.92 and 1,731,818,713.08
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Solution
The fourth proportional to 3,141,545,693.88, 4,335,346,197.92 and 1,731,818,713.08 is: 2,389,917,067.85
Step by Step Solution
- Step 1: Write the proportion equation
3,141,545,693.88 : 4,335,346,197.92 = 1,731,818,713.08 : x - Step 2: Convert to fraction form
3,141,545,693.88/4,335,346,197.92 = 1,731,818,713.08/x - Step 3: Cross multiply
3,141,545,693.88x = 4,335,346,197.92 × 1,731,818,713.08 - Step 4: Simplify right side
3,141,545,693.88x = 7,508,033,673,238,085,632 - Step 5: Solve for x
x = 7,508,033,673,238,085,632/3,141,545,693.88 - Step 6: Final answer
x = 2,389,917,067.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.