Finding the Fourth Proportional to 408,759,882.90, 613,148,534.01 and 146,461,568.10
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Solution
The fourth proportional to 408,759,882.90, 613,148,534.01 and 146,461,568.10 is: 219,695,472.88
Step by Step Solution
- Step 1: Write the proportion equation
408,759,882.90 : 613,148,534.01 = 146,461,568.10 : x - Step 2: Convert to fraction form
408,759,882.90/613,148,534.01 = 146,461,568.10/x - Step 3: Cross multiply
408,759,882.90x = 613,148,534.01 × 146,461,568.10 - Step 4: Simplify right side
408,759,882.90x = 89,802,695,769,320,784 - Step 5: Solve for x
x = 89,802,695,769,320,784/408,759,882.90 - Step 6: Final answer
x = 219,695,472.88
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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.