Finding the Fourth Proportional to 395,357,919.78, 592,618,754.74 and 146,203,083.75
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Solution
The fourth proportional to 395,357,919.78, 592,618,754.74 and 146,203,083.75 is: 219,150,003.32
Step by Step Solution
- Step 1: Write the proportion equation
395,357,919.78 : 592,618,754.74 = 146,203,083.75 : x - Step 2: Convert to fraction form
395,357,919.78/592,618,754.74 = 146,203,083.75/x - Step 3: Cross multiply
395,357,919.78x = 592,618,754.74 × 146,203,083.75 - Step 4: Simplify right side
395,357,919.78x = 86,642,689,431,072,928 - Step 5: Solve for x
x = 86,642,689,431,072,928/395,357,919.78 - Step 6: Final answer
x = 219,150,003.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.