Finding the Fourth Proportional to 245,578,236,440.20, 368,367,354,660.30 and 77,898,822,425.80
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Solution
The fourth proportional to 245,578,236,440.20, 368,367,354,660.30 and 77,898,822,425.80 is: 116,848,233,638.70
Step by Step Solution
- Step 1: Write the proportion equation
245,578,236,440.20 : 368,367,354,660.30 = 77,898,822,425.80 : x - Step 2: Convert to fraction form
245,578,236,440.20/368,367,354,660.30 = 77,898,822,425.80/x - Step 3: Cross multiply
245,578,236,440.20x = 368,367,354,660.30 × 77,898,822,425.80 - Step 4: Simplify right side
245,578,236,440.20x = 28,695,383,148,144,399,220,736 - Step 5: Solve for x
x = 28,695,383,148,144,399,220,736/245,578,236,440.20 - Step 6: Final answer
x = 116,848,233,638.70
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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.