Finding the Fourth Proportional to 17,750,671,920, 24,495,458,408.64 and 10,129,581,223.20
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Solution
The fourth proportional to 17,750,671,920, 24,495,458,408.64 and 10,129,581,223.20 is: 13,978,554,539.69
Step by Step Solution
- Step 1: Write the proportion equation
17,750,671,920 : 24,495,458,408.64 = 10,129,581,223.20 : x - Step 2: Convert to fraction form
17,750,671,920/24,495,458,408.64 = 10,129,581,223.20/x - Step 3: Cross multiply
17,750,671,920x = 24,495,458,408.64 × 10,129,581,223.20 - Step 4: Simplify right side
17,750,671,920x = 248,128,735,549,836,296,192 - Step 5: Solve for x
x = 248,128,735,549,836,296,192/17,750,671,920 - Step 6: Final answer
x = 13,978,554,539.69
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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.