Finding the Fourth Proportional to 7,480,335,423.60, 11,220,503,135.40 and 3,395,509,311.60
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Solution
The fourth proportional to 7,480,335,423.60, 11,220,503,135.40 and 3,395,509,311.60 is: 5,093,263,967.40
Step by Step Solution
- Step 1: Write the proportion equation
7,480,335,423.60 : 11,220,503,135.40 = 3,395,509,311.60 : x - Step 2: Convert to fraction form
7,480,335,423.60/11,220,503,135.40 = 3,395,509,311.60/x - Step 3: Cross multiply
7,480,335,423.60x = 11,220,503,135.40 × 3,395,509,311.60 - Step 4: Simplify right side
7,480,335,423.60x = 38,099,322,877,087,694,848 - Step 5: Solve for x
x = 38,099,322,877,087,694,848/7,480,335,423.60 - Step 6: Final answer
x = 5,093,263,967.40
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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.