Finding the Fourth Proportional to 442,579,163.19, 663,859,629.09 and 147,495,708.68
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Solution
The fourth proportional to 442,579,163.19, 663,859,629.09 and 147,495,708.68 is: 221,240,525.08
Step by Step Solution
- Step 1: Write the proportion equation
442,579,163.19 : 663,859,629.09 = 147,495,708.68 : x - Step 2: Convert to fraction form
442,579,163.19/663,859,629.09 = 147,495,708.68/x - Step 3: Cross multiply
442,579,163.19x = 663,859,629.09 × 147,495,708.68 - Step 4: Simplify right side
442,579,163.19x = 97,916,446,453,352,208 - Step 5: Solve for x
x = 97,916,446,453,352,208/442,579,163.19 - Step 6: Final answer
x = 221,240,525.08
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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.