Finding the Fourth Proportional to 471,518,755.09, 645,982,999.09 and 453,846,338.56
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Solution
The fourth proportional to 471,518,755.09, 645,982,999.09 and 453,846,338.56 is: 621,771,702.07
Step by Step Solution
- Step 1: Write the proportion equation
471,518,755.09 : 645,982,999.09 = 453,846,338.56 : x - Step 2: Convert to fraction form
471,518,755.09/645,982,999.09 = 453,846,338.56/x - Step 3: Cross multiply
471,518,755.09x = 645,982,999.09 × 453,846,338.56 - Step 4: Simplify right side
471,518,755.09x = 293,177,018,909,004,352 - Step 5: Solve for x
x = 293,177,018,909,004,352/471,518,755.09 - Step 6: Final answer
x = 621,771,702.07
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.