Finding the Fourth Proportional to 4,828,614,758.40, 7,242,922,137.60 and 4,542,912,076.80
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Solution
The fourth proportional to 4,828,614,758.40, 7,242,922,137.60 and 4,542,912,076.80 is: 6,814,368,115.20
Step by Step Solution
- Step 1: Write the proportion equation
4,828,614,758.40 : 7,242,922,137.60 = 4,542,912,076.80 : x - Step 2: Convert to fraction form
4,828,614,758.40/7,242,922,137.60 = 4,542,912,076.80/x - Step 3: Cross multiply
4,828,614,758.40x = 7,242,922,137.60 × 4,542,912,076.80 - Step 4: Simplify right side
4,828,614,758.40x = 32,903,958,450,225,115,136 - Step 5: Solve for x
x = 32,903,958,450,225,115,136/4,828,614,758.40 - Step 6: Final answer
x = 6,814,368,115.20
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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.