Finding the Fourth Proportional to 5,231,633,785.44, 7,219,601,907.12 and 2,852,765,712.48
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Solution
The fourth proportional to 5,231,633,785.44, 7,219,601,907.12 and 2,852,765,712.48 is: 3,936,787,937.20
Step by Step Solution
- Step 1: Write the proportion equation
5,231,633,785.44 : 7,219,601,907.12 = 2,852,765,712.48 : x - Step 2: Convert to fraction form
5,231,633,785.44/7,219,601,907.12 = 2,852,765,712.48/x - Step 3: Cross multiply
5,231,633,785.44x = 7,219,601,907.12 × 2,852,765,712.48 - Step 4: Simplify right side
5,231,633,785.44x = 20,595,832,778,387,152,896 - Step 5: Solve for x
x = 20,595,832,778,387,152,896/5,231,633,785.44 - Step 6: Final answer
x = 3,936,787,937.20
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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.