Finding the Fourth Proportional to 747,463,427.95, 1,121,596,694.57 and 311,064,976.75
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Solution
The fourth proportional to 747,463,427.95, 1,121,596,694.57 and 311,064,976.75 is: 466,764,575.59
Step by Step Solution
- Step 1: Write the proportion equation
747,463,427.95 : 1,121,596,694.57 = 311,064,976.75 : x - Step 2: Convert to fraction form
747,463,427.95/1,121,596,694.57 = 311,064,976.75/x - Step 3: Cross multiply
747,463,427.95x = 1,121,596,694.57 × 311,064,976.75 - Step 4: Simplify right side
747,463,427.95x = 348,889,449,717,738,624 - Step 5: Solve for x
x = 348,889,449,717,738,624/747,463,427.95 - Step 6: Final answer
x = 466,764,575.59
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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.