Finding the Fourth Proportional to 2,021,533,040.97, 3,032,361,335.29 and 693,542,451.62
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Solution
The fourth proportional to 2,021,533,040.97, 3,032,361,335.29 and 693,542,451.62 is: 1,040,334,870.64
Step by Step Solution
- Step 1: Write the proportion equation
2,021,533,040.97 : 3,032,361,335.29 = 693,542,451.62 : x - Step 2: Convert to fraction form
2,021,533,040.97/3,032,361,335.29 = 693,542,451.62/x - Step 3: Cross multiply
2,021,533,040.97x = 3,032,361,335.29 × 693,542,451.62 - Step 4: Simplify right side
2,021,533,040.97x = 2,103,071,314,674,723,328 - Step 5: Solve for x
x = 2,103,071,314,674,723,328/2,021,533,040.97 - Step 6: Final answer
x = 1,040,334,870.64
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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.