Finding the Fourth Proportional to 4,145,697,719.80, 6,218,546,579.70 and 1,821,174,785.80
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Solution
The fourth proportional to 4,145,697,719.80, 6,218,546,579.70 and 1,821,174,785.80 is: 2,731,762,178.70
Step by Step Solution
- Step 1: Write the proportion equation
4,145,697,719.80 : 6,218,546,579.70 = 1,821,174,785.80 : x - Step 2: Convert to fraction form
4,145,697,719.80/6,218,546,579.70 = 1,821,174,785.80/x - Step 3: Cross multiply
4,145,697,719.80x = 6,218,546,579.70 × 1,821,174,785.80 - Step 4: Simplify right side
4,145,697,719.80x = 11,325,060,235,272,468,480 - Step 5: Solve for x
x = 11,325,060,235,272,468,480/4,145,697,719.80 - Step 6: Final answer
x = 2,731,762,178.70
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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.