Finding the Fourth Proportional to 898,346,218.60, 1,347,519,327.90 and 438,047,453.80
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Solution
The fourth proportional to 898,346,218.60, 1,347,519,327.90 and 438,047,453.80 is: 657,071,180.70
Step by Step Solution
- Step 1: Write the proportion equation
898,346,218.60 : 1,347,519,327.90 = 438,047,453.80 : x - Step 2: Convert to fraction form
898,346,218.60/1,347,519,327.90 = 438,047,453.80/x - Step 3: Cross multiply
898,346,218.60x = 1,347,519,327.90 × 438,047,453.80 - Step 4: Simplify right side
898,346,218.60x = 590,277,410,532,882,304 - Step 5: Solve for x
x = 590,277,410,532,882,304/898,346,218.60 - Step 6: Final answer
x = 657,071,180.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.