Finding the Fourth Proportional to 4,270,447,109.45, 6,404,433,629.14 and 1,282,389,612.12
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Solution
The fourth proportional to 4,270,447,109.45, 6,404,433,629.14 and 1,282,389,612.12 is: 1,923,212,943.99
Step by Step Solution
- Step 1: Write the proportion equation
4,270,447,109.45 : 6,404,433,629.14 = 1,282,389,612.12 : x - Step 2: Convert to fraction form
4,270,447,109.45/6,404,433,629.14 = 1,282,389,612.12/x - Step 3: Cross multiply
4,270,447,109.45x = 6,404,433,629.14 × 1,282,389,612.12 - Step 4: Simplify right side
4,270,447,109.45x = 8,212,979,157,522,666,496 - Step 5: Solve for x
x = 8,212,979,157,522,666,496/4,270,447,109.45 - Step 6: Final answer
x = 1,923,212,943.99
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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.