Finding the Fourth Proportional to 313,444,711.18, 470,165,579.61 and 80,274,965.14
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Solution
The fourth proportional to 313,444,711.18, 470,165,579.61 and 80,274,965.14 is: 120,412,066.84
Step by Step Solution
- Step 1: Write the proportion equation
313,444,711.18 : 470,165,579.61 = 80,274,965.14 : x - Step 2: Convert to fraction form
313,444,711.18/470,165,579.61 = 80,274,965.14/x - Step 3: Cross multiply
313,444,711.18x = 470,165,579.61 × 80,274,965.14 - Step 4: Simplify right side
313,444,711.18x = 37,742,525,513,220,648 - Step 5: Solve for x
x = 37,742,525,513,220,648/313,444,711.18 - Step 6: Final answer
x = 120,412,066.84
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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.