Finding the Fourth Proportional to 4,789,387,794.30, 7,186,769,077.05 and 2,028,546,987.90
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Solution
The fourth proportional to 4,789,387,794.30, 7,186,769,077.05 and 2,028,546,987.90 is: 3,043,958,725.02
Step by Step Solution
- Step 1: Write the proportion equation
4,789,387,794.30 : 7,186,769,077.05 = 2,028,546,987.90 : x - Step 2: Convert to fraction form
4,789,387,794.30/7,186,769,077.05 = 2,028,546,987.90/x - Step 3: Cross multiply
4,789,387,794.30x = 7,186,769,077.05 × 2,028,546,987.90 - Step 4: Simplify right side
4,789,387,794.30x = 14,578,698,763,982,641,152 - Step 5: Solve for x
x = 14,578,698,763,982,641,152/4,789,387,794.30 - Step 6: Final answer
x = 3,043,958,725.02
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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.