Finding the Fourth Proportional to 1,530,126,149.68, 2,295,202,083 and 424,817,194.48
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Solution
The fourth proportional to 1,530,126,149.68, 2,295,202,083 and 424,817,194.48 is: 637,229,361.69
Step by Step Solution
- Step 1: Write the proportion equation
1,530,126,149.68 : 2,295,202,083 = 424,817,194.48 : x - Step 2: Convert to fraction form
1,530,126,149.68/2,295,202,083 = 424,817,194.48/x - Step 3: Cross multiply
1,530,126,149.68x = 2,295,202,083 × 424,817,194.48 - Step 4: Simplify right side
1,530,126,149.68x = 975,041,309,664,712,192 - Step 5: Solve for x
x = 975,041,309,664,712,192/1,530,126,149.68 - Step 6: Final answer
x = 637,229,361.69
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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.