Finding the Fourth Proportional to 458,871,507,855, 633,244,649,539 and 250,302,975,661.95
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Solution
The fourth proportional to 458,871,507,855, 633,244,649,539 and 250,302,975,661.95 is: 345,419,180,289.80
Step by Step Solution
- Step 1: Write the proportion equation
458,871,507,855 : 633,244,649,539 = 250,302,975,661.95 : x - Step 2: Convert to fraction form
458,871,507,855/633,244,649,539 = 250,302,975,661.95/x - Step 3: Cross multiply
458,871,507,855x = 633,244,649,539 × 250,302,975,661.95 - Step 4: Simplify right side
458,871,507,855x = 158,503,020,101,620,373,389,312 - Step 5: Solve for x
x = 158,503,020,101,620,373,389,312/458,871,507,855 - Step 6: Final answer
x = 345,419,180,289.80
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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.