Finding the Fourth Proportional to 313,674,401.80, 470,511,602.70 and 109,134,497.80
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Solution
The fourth proportional to 313,674,401.80, 470,511,602.70 and 109,134,497.80 is: 163,701,746.70
Step by Step Solution
- Step 1: Write the proportion equation
313,674,401.80 : 470,511,602.70 = 109,134,497.80 : x - Step 2: Convert to fraction form
313,674,401.80/470,511,602.70 = 109,134,497.80/x - Step 3: Cross multiply
313,674,401.80x = 470,511,602.70 × 109,134,497.80 - Step 4: Simplify right side
313,674,401.80x = 51,349,047,469,737,624 - Step 5: Solve for x
x = 51,349,047,469,737,624/313,674,401.80 - Step 6: Final answer
x = 163,701,746.70
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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.