Finding the Fourth Proportional to 9,396,161,675.28, 12,966,948,863.65 and 5,109,625,698.09
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Solution
The fourth proportional to 9,396,161,675.28, 12,966,948,863.65 and 5,109,625,698.09 is: 7,051,417,102.99
Step by Step Solution
- Step 1: Write the proportion equation
9,396,161,675.28 : 12,966,948,863.65 = 5,109,625,698.09 : x - Step 2: Convert to fraction form
9,396,161,675.28/12,966,948,863.65 = 5,109,625,698.09/x - Step 3: Cross multiply
9,396,161,675.28x = 12,966,948,863.65 × 5,109,625,698.09 - Step 4: Simplify right side
9,396,161,675.28x = 66,256,255,139,524,960,256 - Step 5: Solve for x
x = 66,256,255,139,524,960,256/9,396,161,675.28 - Step 6: Final answer
x = 7,051,417,102.99
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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.