Finding the Fourth Proportional to 734,994,136.35, 1,014,314,872.65 and 421,785,643.23
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Solution
The fourth proportional to 734,994,136.35, 1,014,314,872.65 and 421,785,643.23 is: 582,077,366.12
Step by Step Solution
- Step 1: Write the proportion equation
734,994,136.35 : 1,014,314,872.65 = 421,785,643.23 : x - Step 2: Convert to fraction form
734,994,136.35/1,014,314,872.65 = 421,785,643.23/x - Step 3: Cross multiply
734,994,136.35x = 1,014,314,872.65 × 421,785,643.23 - Step 4: Simplify right side
734,994,136.35x = 427,823,450,998,435,776 - Step 5: Solve for x
x = 427,823,450,998,435,776/734,994,136.35 - Step 6: Final answer
x = 582,077,366.12
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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.