Finding the Fourth Proportional to 8,919,322,202.18, 12,305,180,964.84 and 5,106,807,592.41
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Solution
The fourth proportional to 8,919,322,202.18, 12,305,180,964.84 and 5,106,807,592.41 is: 7,045,399,880.49
Step by Step Solution
- Step 1: Write the proportion equation
8,919,322,202.18 : 12,305,180,964.84 = 5,106,807,592.41 : x - Step 2: Convert to fraction form
8,919,322,202.18/12,305,180,964.84 = 5,106,807,592.41/x - Step 3: Cross multiply
8,919,322,202.18x = 12,305,180,964.84 × 5,106,807,592.41 - Step 4: Simplify right side
8,919,322,202.18x = 62,840,191,577,223,921,664 - Step 5: Solve for x
x = 62,840,191,577,223,921,664/8,919,322,202.18 - Step 6: Final answer
x = 7,045,399,880.49
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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.