Finding the Fourth Proportional to 419,146,630,485.18, 628,825,750,983.85 and 116,958,979,388.99
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Solution
The fourth proportional to 419,146,630,485.18, 628,825,750,983.85 and 116,958,979,388.99 is: 175,467,993,058.78
Step by Step Solution
- Step 1: Write the proportion equation
419,146,630,485.18 : 628,825,750,983.85 = 116,958,979,388.99 : x - Step 2: Convert to fraction form
419,146,630,485.18/628,825,750,983.85 = 116,958,979,388.99/x - Step 3: Cross multiply
419,146,630,485.18x = 628,825,750,983.85 × 116,958,979,388.99 - Step 4: Simplify right side
419,146,630,485.18x = 73,546,818,048,586,269,327,360 - Step 5: Solve for x
x = 73,546,818,048,586,269,327,360/419,146,630,485.18 - Step 6: Final answer
x = 175,467,993,058.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.