Finding the Fourth Proportional to 3,060,721,812.90, 4,591,082,719.35 and 990,652,829.70
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Solution
The fourth proportional to 3,060,721,812.90, 4,591,082,719.35 and 990,652,829.70 is: 1,485,979,244.55
Step by Step Solution
- Step 1: Write the proportion equation
3,060,721,812.90 : 4,591,082,719.35 = 990,652,829.70 : x - Step 2: Convert to fraction form
3,060,721,812.90/4,591,082,719.35 = 990,652,829.70/x - Step 3: Cross multiply
3,060,721,812.90x = 4,591,082,719.35 × 990,652,829.70 - Step 4: Simplify right side
3,060,721,812.90x = 4,548,169,087,310,849,024 - Step 5: Solve for x
x = 4,548,169,087,310,849,024/3,060,721,812.90 - Step 6: Final answer
x = 1,485,979,244.55
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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.