Finding the Fourth Proportional to 37,409,518,261.97, 51,624,723,928.88 and 20,261,944,971.08
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Solution
The fourth proportional to 37,409,518,261.97, 51,624,723,928.88 and 20,261,944,971.08 is: 27,961,261,304.38
Step by Step Solution
- Step 1: Write the proportion equation
37,409,518,261.97 : 51,624,723,928.88 = 20,261,944,971.08 : x - Step 2: Convert to fraction form
37,409,518,261.97/51,624,723,928.88 = 20,261,944,971.08/x - Step 3: Cross multiply
37,409,518,261.97x = 51,624,723,928.88 × 20,261,944,971.08 - Step 4: Simplify right side
37,409,518,261.97x = 1,046,017,315,394,010,480,640 - Step 5: Solve for x
x = 1,046,017,315,394,010,480,640/37,409,518,261.97 - Step 6: Final answer
x = 27,961,261,304.38
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Double scale
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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.