Finding the Fourth Proportional to 5,153,317,538.88, 7,111,672,230.24 and 2,864,664,657.84
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Solution
The fourth proportional to 5,153,317,538.88, 7,111,672,230.24 and 2,864,664,657.84 is: 3,953,289,496.02
Step by Step Solution
- Step 1: Write the proportion equation
5,153,317,538.88 : 7,111,672,230.24 = 2,864,664,657.84 : x - Step 2: Convert to fraction form
5,153,317,538.88/7,111,672,230.24 = 2,864,664,657.84/x - Step 3: Cross multiply
5,153,317,538.88x = 7,111,672,230.24 × 2,864,664,657.84 - Step 4: Simplify right side
5,153,317,538.88x = 20,372,556,096,110,698,496 - Step 5: Solve for x
x = 20,372,556,096,110,698,496/5,153,317,538.88 - Step 6: Final answer
x = 3,953,289,496.02
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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.