Finding the Fourth Proportional to 629,819,366.63, 944,621,376.65 and 169,649,919.23
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Solution
The fourth proportional to 629,819,366.63, 944,621,376.65 and 169,649,919.23 is: 254,445,875.66
Step by Step Solution
- Step 1: Write the proportion equation
629,819,366.63 : 944,621,376.65 = 169,649,919.23 : x - Step 2: Convert to fraction form
629,819,366.63/944,621,376.65 = 169,649,919.23/x - Step 3: Cross multiply
629,819,366.63x = 944,621,376.65 × 169,649,919.23 - Step 4: Simplify right side
629,819,366.63x = 160,254,940,250,755,648 - Step 5: Solve for x
x = 160,254,940,250,755,648/629,819,366.63 - Step 6: Final answer
x = 254,445,875.66
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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.