Finding the Fourth Proportional to 2,420,388,908.70, 3,630,583,363.05 and 2,076,015,140.70
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Solution
The fourth proportional to 2,420,388,908.70, 3,630,583,363.05 and 2,076,015,140.70 is: 3,114,022,711.05
Step by Step Solution
- Step 1: Write the proportion equation
2,420,388,908.70 : 3,630,583,363.05 = 2,076,015,140.70 : x - Step 2: Convert to fraction form
2,420,388,908.70/3,630,583,363.05 = 2,076,015,140.70/x - Step 3: Cross multiply
2,420,388,908.70x = 3,630,583,363.05 × 2,076,015,140.70 - Step 4: Simplify right side
2,420,388,908.70x = 7,537,146,031,265,325,056 - Step 5: Solve for x
x = 7,537,146,031,265,325,056/2,420,388,908.70 - Step 6: Final answer
x = 3,114,022,711.05
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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.