Finding the Fourth Proportional to 6,418,193,994.05, 8,855,781,387.05 and 3,705,414,789.56
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Solution
The fourth proportional to 6,418,193,994.05, 8,855,781,387.05 and 3,705,414,789.56 is: 5,112,706,682.76
Step by Step Solution
- Step 1: Write the proportion equation
6,418,193,994.05 : 8,855,781,387.05 = 3,705,414,789.56 : x - Step 2: Convert to fraction form
6,418,193,994.05/8,855,781,387.05 = 3,705,414,789.56/x - Step 3: Cross multiply
6,418,193,994.05x = 8,855,781,387.05 × 3,705,414,789.56 - Step 4: Simplify right side
6,418,193,994.05x = 32,814,343,324,622,434,304 - Step 5: Solve for x
x = 32,814,343,324,622,434,304/6,418,193,994.05 - Step 6: Final answer
x = 5,112,706,682.76
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1.5x scale
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.