Finding the Fourth Proportional to 5,035,580,756.55, 6,948,979,708.79 and 2,777,471,788.05
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Solution
The fourth proportional to 5,035,580,756.55, 6,948,979,708.79 and 2,777,471,788.05 is: 3,832,843,922.08
Step by Step Solution
- Step 1: Write the proportion equation
5,035,580,756.55 : 6,948,979,708.79 = 2,777,471,788.05 : x - Step 2: Convert to fraction form
5,035,580,756.55/6,948,979,708.79 = 2,777,471,788.05/x - Step 3: Cross multiply
5,035,580,756.55x = 6,948,979,708.79 × 2,777,471,788.05 - Step 4: Simplify right side
5,035,580,756.55x = 19,300,595,096,882,241,536 - Step 5: Solve for x
x = 19,300,595,096,882,241,536/5,035,580,756.55 - Step 6: Final answer
x = 3,832,843,922.08
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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.