Finding the Fourth Proportional to 5,027,153,398.80, 6,937,215,293.82 and 2,769,044,314.87
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Solution
The fourth proportional to 5,027,153,398.80, 6,937,215,293.82 and 2,769,044,314.87 is: 3,821,139,926.82
Step by Step Solution
- Step 1: Write the proportion equation
5,027,153,398.80 : 6,937,215,293.82 = 2,769,044,314.87 : x - Step 2: Convert to fraction form
5,027,153,398.80/6,937,215,293.82 = 2,769,044,314.87/x - Step 3: Cross multiply
5,027,153,398.80x = 6,937,215,293.82 × 2,769,044,314.87 - Step 4: Simplify right side
5,027,153,398.80x = 19,209,456,570,381,484,032 - Step 5: Solve for x
x = 19,209,456,570,381,484,032/5,027,153,398.80 - Step 6: Final answer
x = 3,821,139,926.82
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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.