Finding the Fourth Proportional to 3,929,651,567.70, 5,894,477,351.55 and 3,608,236,050.90
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Solution
The fourth proportional to 3,929,651,567.70, 5,894,477,351.55 and 3,608,236,050.90 is: 5,412,354,076.35
Step by Step Solution
- Step 1: Write the proportion equation
3,929,651,567.70 : 5,894,477,351.55 = 3,608,236,050.90 : x - Step 2: Convert to fraction form
3,929,651,567.70/5,894,477,351.55 = 3,608,236,050.90/x - Step 3: Cross multiply
3,929,651,567.70x = 5,894,477,351.55 × 3,608,236,050.90 - Step 4: Simplify right side
3,929,651,567.70x = 21,268,665,681,076,264,960 - Step 5: Solve for x
x = 21,268,665,681,076,264,960/3,929,651,567.70 - Step 6: Final answer
x = 5,412,354,076.35
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Double scale
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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.