Finding the Fourth Proportional to 1,667,221,372.74, 2,300,743,785.97 and 952,748,796.80
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Solution
The fourth proportional to 1,667,221,372.74, 2,300,743,785.97 and 952,748,796.80 is: 1,314,780,934.12
Step by Step Solution
- Step 1: Write the proportion equation
1,667,221,372.74 : 2,300,743,785.97 = 952,748,796.80 : x - Step 2: Convert to fraction form
1,667,221,372.74/2,300,743,785.97 = 952,748,796.80/x - Step 3: Cross multiply
1,667,221,372.74x = 2,300,743,785.97 × 952,748,796.80 - Step 4: Simplify right side
1,667,221,372.74x = 2,192,030,873,828,447,232 - Step 5: Solve for x
x = 2,192,030,873,828,447,232/1,667,221,372.74 - Step 6: Final answer
x = 1,314,780,934.12
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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.