Finding the Fourth Proportional to 488,736,490.80, 733,104,736.20 and 271,058,257.20
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Solution
The fourth proportional to 488,736,490.80, 733,104,736.20 and 271,058,257.20 is: 406,587,385.80
Step by Step Solution
- Step 1: Write the proportion equation
488,736,490.80 : 733,104,736.20 = 271,058,257.20 : x - Step 2: Convert to fraction form
488,736,490.80/733,104,736.20 = 271,058,257.20/x - Step 3: Cross multiply
488,736,490.80x = 733,104,736.20 × 271,058,257.20 - Step 4: Simplify right side
488,736,490.80x = 198,714,092,139,437,760 - Step 5: Solve for x
x = 198,714,092,139,437,760/488,736,490.80 - Step 6: Final answer
x = 406,587,385.80
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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.