Finding the Fourth Proportional to 592,128,018.20, 888,192,027.30 and 384,303,531.80
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Solution
The fourth proportional to 592,128,018.20, 888,192,027.30 and 384,303,531.80 is: 576,455,297.70
Step by Step Solution
- Step 1: Write the proportion equation
592,128,018.20 : 888,192,027.30 = 384,303,531.80 : x - Step 2: Convert to fraction form
592,128,018.20/888,192,027.30 = 384,303,531.80/x - Step 3: Cross multiply
592,128,018.20x = 888,192,027.30 × 384,303,531.80 - Step 4: Simplify right side
592,128,018.20x = 341,335,333,007,992,000 - Step 5: Solve for x
x = 341,335,333,007,992,000/592,128,018.20 - Step 6: Final answer
x = 576,455,297.70
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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.