Finding the Fourth Proportional to 8,814,115,236.39, 12,163,159,495.76 and 5,386,547,874.24
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Solution
The fourth proportional to 8,814,115,236.39, 12,163,159,495.76 and 5,386,547,874.24 is: 7,433,240,792.62
Step by Step Solution
- Step 1: Write the proportion equation
8,814,115,236.39 : 12,163,159,495.76 = 5,386,547,874.24 : x - Step 2: Convert to fraction form
8,814,115,236.39/12,163,159,495.76 = 5,386,547,874.24/x - Step 3: Cross multiply
8,814,115,236.39x = 12,163,159,495.76 × 5,386,547,874.24 - Step 4: Simplify right side
8,814,115,236.39x = 65,517,440,925,933,477,888 - Step 5: Solve for x
x = 65,517,440,925,933,477,888/8,814,115,236.39 - Step 6: Final answer
x = 7,433,240,792.62
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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.