Finding the Fourth Proportional to 8,013,412,318.28, 12,020,118,851.30 and 5,489,852,108.09
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Solution
The fourth proportional to 8,013,412,318.28, 12,020,118,851.30 and 5,489,852,108.09 is: 8,234,778,418.27
Step by Step Solution
- Step 1: Write the proportion equation
8,013,412,318.28 : 12,020,118,851.30 = 5,489,852,108.09 : x - Step 2: Convert to fraction form
8,013,412,318.28/12,020,118,851.30 = 5,489,852,108.09/x - Step 3: Cross multiply
8,013,412,318.28x = 12,020,118,851.30 × 5,489,852,108.09 - Step 4: Simplify right side
8,013,412,318.28x = 65,988,674,815,216,508,928 - Step 5: Solve for x
x = 65,988,674,815,216,508,928/8,013,412,318.28 - Step 6: Final answer
x = 8,234,778,418.27
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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.