Finding the Fourth Proportional to 9,906,645,604.70, 14,859,968,407.05 and 9,149,023,315.10
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Solution
The fourth proportional to 9,906,645,604.70, 14,859,968,407.05 and 9,149,023,315.10 is: 13,723,534,972.65
Step by Step Solution
- Step 1: Write the proportion equation
9,906,645,604.70 : 14,859,968,407.05 = 9,149,023,315.10 : x - Step 2: Convert to fraction form
9,906,645,604.70/14,859,968,407.05 = 9,149,023,315.10/x - Step 3: Cross multiply
9,906,645,604.70x = 14,859,968,407.05 × 9,149,023,315.10 - Step 4: Simplify right side
9,906,645,604.70x = 135,954,197,417,749,856,256 - Step 5: Solve for x
x = 135,954,197,417,749,856,256/9,906,645,604.70 - Step 6: Final answer
x = 13,723,534,972.65
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Similar ratio
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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.