Finding the Fourth Proportional to 3,149,285,686.40, 4,723,928,529.60 and 967,968,387.20
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Solution
The fourth proportional to 3,149,285,686.40, 4,723,928,529.60 and 967,968,387.20 is: 1,451,952,580.80
Step by Step Solution
- Step 1: Write the proportion equation
3,149,285,686.40 : 4,723,928,529.60 = 967,968,387.20 : x - Step 2: Convert to fraction form
3,149,285,686.40/4,723,928,529.60 = 967,968,387.20/x - Step 3: Cross multiply
3,149,285,686.40x = 4,723,928,529.60 × 967,968,387.20 - Step 4: Simplify right side
3,149,285,686.40x = 4,572,613,480,044,980,224 - Step 5: Solve for x
x = 4,572,613,480,044,980,224/3,149,285,686.40 - Step 6: Final answer
x = 1,451,952,580.80
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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.