Finding the Fourth Proportional to 4,976,378,988.70, 6,867,426,410.82 and 2,718,349,841.92
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Solution
The fourth proportional to 4,976,378,988.70, 6,867,426,410.82 and 2,718,349,841.92 is: 3,751,335,567.62
Step by Step Solution
- Step 1: Write the proportion equation
4,976,378,988.70 : 6,867,426,410.82 = 2,718,349,841.92 : x - Step 2: Convert to fraction form
4,976,378,988.70/6,867,426,410.82 = 2,718,349,841.92/x - Step 3: Cross multiply
4,976,378,988.70x = 6,867,426,410.82 × 2,718,349,841.92 - Step 4: Simplify right side
4,976,378,988.70x = 18,668,067,498,249,781,248 - Step 5: Solve for x
x = 18,668,067,498,249,781,248/4,976,378,988.70 - Step 6: Final answer
x = 3,751,335,567.62
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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.