Finding the Fourth Proportional to 395,329,300.88, 592,159,724.76 and 317,183,115.92
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Solution
The fourth proportional to 395,329,300.88, 592,159,724.76 and 317,183,115.92 is: 475,105,351.93
Step by Step Solution
- Step 1: Write the proportion equation
395,329,300.88 : 592,159,724.76 = 317,183,115.92 : x - Step 2: Convert to fraction form
395,329,300.88/592,159,724.76 = 317,183,115.92/x - Step 3: Cross multiply
395,329,300.88x = 592,159,724.76 × 317,183,115.92 - Step 4: Simplify right side
395,329,300.88x = 187,823,066,621,706,368 - Step 5: Solve for x
x = 187,823,066,621,706,368/395,329,300.88 - Step 6: Final answer
x = 475,105,351.93
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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.