Finding the Fourth Proportional to 4,784,272,064.20, 7,176,408,096.30 and 4,719,774,809.80
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Solution
The fourth proportional to 4,784,272,064.20, 7,176,408,096.30 and 4,719,774,809.80 is: 7,079,662,214.70
Step by Step Solution
- Step 1: Write the proportion equation
4,784,272,064.20 : 7,176,408,096.30 = 4,719,774,809.80 : x - Step 2: Convert to fraction form
4,784,272,064.20/7,176,408,096.30 = 4,719,774,809.80/x - Step 3: Cross multiply
4,784,272,064.20x = 7,176,408,096.30 × 4,719,774,809.80 - Step 4: Simplify right side
4,784,272,064.20x = 33,871,030,157,761,515,520 - Step 5: Solve for x
x = 33,871,030,157,761,515,520/4,784,272,064.20 - Step 6: Final answer
x = 7,079,662,214.70
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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.