Finding the Fourth Proportional to 1,852,389,697.80, 2,778,584,546.70 and 934,059,649.80
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Solution
The fourth proportional to 1,852,389,697.80, 2,778,584,546.70 and 934,059,649.80 is: 1,401,089,474.70
Step by Step Solution
- Step 1: Write the proportion equation
1,852,389,697.80 : 2,778,584,546.70 = 934,059,649.80 : x - Step 2: Convert to fraction form
1,852,389,697.80/2,778,584,546.70 = 934,059,649.80/x - Step 3: Cross multiply
1,852,389,697.80x = 2,778,584,546.70 × 934,059,649.80 - Step 4: Simplify right side
1,852,389,697.80x = 2,595,363,708,630,293,504 - Step 5: Solve for x
x = 2,595,363,708,630,293,504/1,852,389,697.80 - Step 6: Final answer
x = 1,401,089,474.70
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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.