Finding the Fourth Proportional to 8,919,012,878.17, 12,308,471,044.11 and 4,850,152,556.09
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Solution
The fourth proportional to 8,919,012,878.17, 12,308,471,044.11 and 4,850,152,556.09 is: 6,693,337,380.67
Step by Step Solution
- Step 1: Write the proportion equation
8,919,012,878.17 : 12,308,471,044.11 = 4,850,152,556.09 : x - Step 2: Convert to fraction form
8,919,012,878.17/12,308,471,044.11 = 4,850,152,556.09/x - Step 3: Cross multiply
8,919,012,878.17x = 12,308,471,044.11 × 4,850,152,556.09 - Step 4: Simplify right side
8,919,012,878.17x = 59,697,962,296,088,330,240 - Step 5: Solve for x
x = 59,697,962,296,088,330,240/8,919,012,878.17 - Step 6: Final answer
x = 6,693,337,380.67
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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.