Finding the Fourth Proportional to 7,639,367,005.76, 10,541,391,257.76 and 4,818,916,005.44
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Solution
The fourth proportional to 7,639,367,005.76, 10,541,391,257.76 and 4,818,916,005.44 is: 6,649,514,156.52
Step by Step Solution
- Step 1: Write the proportion equation
7,639,367,005.76 : 10,541,391,257.76 = 4,818,916,005.44 : x - Step 2: Convert to fraction form
7,639,367,005.76/10,541,391,257.76 = 4,818,916,005.44/x - Step 3: Cross multiply
7,639,367,005.76x = 10,541,391,257.76 × 4,818,916,005.44 - Step 4: Simplify right side
7,639,367,005.76x = 50,798,079,051,624,955,904 - Step 5: Solve for x
x = 50,798,079,051,624,955,904/7,639,367,005.76 - Step 6: Final answer
x = 6,649,514,156.52
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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.