Finding the Fourth Proportional to 932,352,025.80, 1,398,528,038.70 and 448,622,617.80
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Solution
The fourth proportional to 932,352,025.80, 1,398,528,038.70 and 448,622,617.80 is: 672,933,926.70
Step by Step Solution
- Step 1: Write the proportion equation
932,352,025.80 : 1,398,528,038.70 = 448,622,617.80 : x - Step 2: Convert to fraction form
932,352,025.80/1,398,528,038.70 = 448,622,617.80/x - Step 3: Cross multiply
932,352,025.80x = 1,398,528,038.70 × 448,622,617.80 - Step 4: Simplify right side
932,352,025.80x = 627,411,309,788,293,760 - Step 5: Solve for x
x = 627,411,309,788,293,760/932,352,025.80 - Step 6: Final answer
x = 672,933,926.70
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1.5x scale
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.