Finding the Fourth Proportional to 653,503,317, 980,446,429.80 and 210,837,021
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Solution
The fourth proportional to 653,503,317, 980,446,429.80 and 210,837,021 is: 316,317,299.59
Step by Step Solution
- Step 1: Write the proportion equation
653,503,317 : 980,446,429.80 = 210,837,021 : x - Step 2: Convert to fraction form
653,503,317/980,446,429.80 = 210,837,021/x - Step 3: Cross multiply
653,503,317x = 980,446,429.80 × 210,837,021 - Step 4: Simplify right side
653,503,317x = 206,714,404,509,117,600 - Step 5: Solve for x
x = 206,714,404,509,117,600/653,503,317 - Step 6: Final answer
x = 316,317,299.59
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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.