Finding the Fourth Proportional to 7,669,876,209.36, 11,508,128,678.88 and 4,124,473,755.18
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Solution
The fourth proportional to 7,669,876,209.36, 11,508,128,678.88 and 4,124,473,755.18 is: 6,188,492,931.52
Step by Step Solution
- Step 1: Write the proportion equation
7,669,876,209.36 : 11,508,128,678.88 = 4,124,473,755.18 : x - Step 2: Convert to fraction form
7,669,876,209.36/11,508,128,678.88 = 4,124,473,755.18/x - Step 3: Cross multiply
7,669,876,209.36x = 11,508,128,678.88 × 4,124,473,755.18 - Step 4: Simplify right side
7,669,876,209.36x = 47,464,974,707,274,842,112 - Step 5: Solve for x
x = 47,464,974,707,274,842,112/7,669,876,209.36 - Step 6: Final answer
x = 6,188,492,931.52
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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.