Finding the Fourth Proportional to 23,312,356,636.40, 32,171,148,421.56 and 12,607,477,121.84
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Solution
The fourth proportional to 23,312,356,636.40, 32,171,148,421.56 and 12,607,477,121.84 is: 17,398,370,487.99
Step by Step Solution
- Step 1: Write the proportion equation
23,312,356,636.40 : 32,171,148,421.56 = 12,607,477,121.84 : x - Step 2: Convert to fraction form
23,312,356,636.40/32,171,148,421.56 = 12,607,477,121.84/x - Step 3: Cross multiply
23,312,356,636.40x = 32,171,148,421.56 × 12,607,477,121.84 - Step 4: Simplify right side
23,312,356,636.40x = 405,597,017,708,136,759,296 - Step 5: Solve for x
x = 405,597,017,708,136,759,296/23,312,356,636.40 - Step 6: Final answer
x = 17,398,370,487.99
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1.5x scale
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.