Finding the Fourth Proportional to 2,245,355,920, 3,098,246,936.76 and 1,292,552,482.24
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Solution
The fourth proportional to 2,245,355,920, 3,098,246,936.76 and 1,292,552,482.24 is: 1,783,524,265.81
Step by Step Solution
- Step 1: Write the proportion equation
2,245,355,920 : 3,098,246,936.76 = 1,292,552,482.24 : x - Step 2: Convert to fraction form
2,245,355,920/3,098,246,936.76 = 1,292,552,482.24/x - Step 3: Cross multiply
2,245,355,920x = 3,098,246,936.76 × 1,292,552,482.24 - Step 4: Simplify right side
2,245,355,920x = 4,004,646,768,701,614,592 - Step 5: Solve for x
x = 4,004,646,768,701,614,592/2,245,355,920 - Step 6: Final answer
x = 1,783,524,265.81
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.