Finding the Fourth Proportional to 5,248,376,338.56, 7,242,772,369.68 and 2,869,667,767.68
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Solution
The fourth proportional to 5,248,376,338.56, 7,242,772,369.68 and 2,869,667,767.68 is: 3,960,148,639.73
Step by Step Solution
- Step 1: Write the proportion equation
5,248,376,338.56 : 7,242,772,369.68 = 2,869,667,767.68 : x - Step 2: Convert to fraction form
5,248,376,338.56/7,242,772,369.68 = 2,869,667,767.68/x - Step 3: Cross multiply
5,248,376,338.56x = 7,242,772,369.68 × 2,869,667,767.68 - Step 4: Simplify right side
5,248,376,338.56x = 20,784,350,417,913,987,072 - Step 5: Solve for x
x = 20,784,350,417,913,987,072/5,248,376,338.56 - Step 6: Final answer
x = 3,960,148,639.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.