Finding the Fourth Proportional to 2,917,071,396.99, 4,376,303,199.99 and 951,928,131.87
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Solution
The fourth proportional to 2,917,071,396.99, 4,376,303,199.99 and 951,928,131.87 is: 1,428,119,357.64
Step by Step Solution
- Step 1: Write the proportion equation
2,917,071,396.99 : 4,376,303,199.99 = 951,928,131.87 : x - Step 2: Convert to fraction form
2,917,071,396.99/4,376,303,199.99 = 951,928,131.87/x - Step 3: Cross multiply
2,917,071,396.99x = 4,376,303,199.99 × 951,928,131.87 - Step 4: Simplify right side
2,917,071,396.99x = 4,165,926,129,663,183,360 - Step 5: Solve for x
x = 4,165,926,129,663,183,360/2,917,071,396.99 - Step 6: Final answer
x = 1,428,119,357.64
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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.