Finding the Fourth Proportional to 5,119,548,029.82, 7,679,322,046.55 and 1,439,053,384.32
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Solution
The fourth proportional to 5,119,548,029.82, 7,679,322,046.55 and 1,439,053,384.32 is: 2,158,580,076.99
Step by Step Solution
- Step 1: Write the proportion equation
5,119,548,029.82 : 7,679,322,046.55 = 1,439,053,384.32 : x - Step 2: Convert to fraction form
5,119,548,029.82/7,679,322,046.55 = 1,439,053,384.32/x - Step 3: Cross multiply
5,119,548,029.82x = 7,679,322,046.55 × 1,439,053,384.32 - Step 4: Simplify right side
5,119,548,029.82x = 11,050,954,380,374,562,816 - Step 5: Solve for x
x = 11,050,954,380,374,562,816/5,119,548,029.82 - Step 6: Final answer
x = 2,158,580,076.99
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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.