Finding the Fourth Proportional to 8,448,908,122.40, 12,673,362,183.60 and 7,722,716,813.60
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Solution
The fourth proportional to 8,448,908,122.40, 12,673,362,183.60 and 7,722,716,813.60 is: 11,584,075,220.40
Step by Step Solution
- Step 1: Write the proportion equation
8,448,908,122.40 : 12,673,362,183.60 = 7,722,716,813.60 : x - Step 2: Convert to fraction form
8,448,908,122.40/12,673,362,183.60 = 7,722,716,813.60/x - Step 3: Cross multiply
8,448,908,122.40x = 12,673,362,183.60 × 7,722,716,813.60 - Step 4: Simplify right side
8,448,908,122.40x = 97,872,787,220,130,136,064 - Step 5: Solve for x
x = 97,872,787,220,130,136,064/8,448,908,122.40 - Step 6: Final answer
x = 11,584,075,220.40
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1.5x scale
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.