Finding the Fourth Proportional to 8,661,326,212.28, 11,952,639,018.92 and 4,701,028,696.76
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Solution
The fourth proportional to 8,661,326,212.28, 11,952,639,018.92 and 4,701,028,696.76 is: 6,487,424,402.78
Step by Step Solution
- Step 1: Write the proportion equation
8,661,326,212.28 : 11,952,639,018.92 = 4,701,028,696.76 : x - Step 2: Convert to fraction form
8,661,326,212.28/11,952,639,018.92 = 4,701,028,696.76/x - Step 3: Cross multiply
8,661,326,212.28x = 11,952,639,018.92 × 4,701,028,696.76 - Step 4: Simplify right side
8,661,326,212.28x = 56,189,699,029,956,214,784 - Step 5: Solve for x
x = 56,189,699,029,956,214,784/8,661,326,212.28 - Step 6: Final answer
x = 6,487,424,402.78
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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.