Finding the Fourth Proportional to 488,395,091.70, 732,592,637.55 and 294,684,847.20
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Solution
The fourth proportional to 488,395,091.70, 732,592,637.55 and 294,684,847.20 is: 442,027,270.80
Step by Step Solution
- Step 1: Write the proportion equation
488,395,091.70 : 732,592,637.55 = 294,684,847.20 : x - Step 2: Convert to fraction form
488,395,091.70/732,592,637.55 = 294,684,847.20/x - Step 3: Cross multiply
488,395,091.70x = 732,592,637.55 × 294,684,847.20 - Step 4: Simplify right side
488,395,091.70x = 215,883,949,456,266,720 - Step 5: Solve for x
x = 215,883,949,456,266,720/488,395,091.70 - Step 6: Final answer
x = 442,027,270.80
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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.