Finding the Fourth Proportional to 837,324,637.14, 1,155,486,879.93 and 460,977,467.67
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Solution
The fourth proportional to 837,324,637.14, 1,155,486,879.93 and 460,977,467.67 is: 636,137,278.43
Step by Step Solution
- Step 1: Write the proportion equation
837,324,637.14 : 1,155,486,879.93 = 460,977,467.67 : x - Step 2: Convert to fraction form
837,324,637.14/1,155,486,879.93 = 460,977,467.67/x - Step 3: Cross multiply
837,324,637.14x = 1,155,486,879.93 × 460,977,467.67 - Step 4: Simplify right side
837,324,637.14x = 532,653,415,836,040,768 - Step 5: Solve for x
x = 532,653,415,836,040,768/837,324,637.14 - Step 6: Final answer
x = 636,137,278.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.