Finding the Fourth Proportional to 2,750,980,841.60, 4,126,471,262.40 and 1,880,267,907.20
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Solution
The fourth proportional to 2,750,980,841.60, 4,126,471,262.40 and 1,880,267,907.20 is: 2,820,401,860.80
Step by Step Solution
- Step 1: Write the proportion equation
2,750,980,841.60 : 4,126,471,262.40 = 1,880,267,907.20 : x - Step 2: Convert to fraction form
2,750,980,841.60/4,126,471,262.40 = 1,880,267,907.20/x - Step 3: Cross multiply
2,750,980,841.60x = 4,126,471,262.40 × 1,880,267,907.20 - Step 4: Simplify right side
2,750,980,841.60x = 7,758,871,484,673,789,952 - Step 5: Solve for x
x = 7,758,871,484,673,789,952/2,750,980,841.60 - Step 6: Final answer
x = 2,820,401,860.80
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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.