Finding the Fourth Proportional to 15,961,886,382.44, 22,028,170,954.02 and 8,825,168,138.60
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Solution
The fourth proportional to 15,961,886,382.44, 22,028,170,954.02 and 8,825,168,138.60 is: 12,179,156,510.53
Step by Step Solution
- Step 1: Write the proportion equation
15,961,886,382.44 : 22,028,170,954.02 = 8,825,168,138.60 : x - Step 2: Convert to fraction form
15,961,886,382.44/22,028,170,954.02 = 8,825,168,138.60/x - Step 3: Cross multiply
15,961,886,382.44x = 22,028,170,954.02 × 8,825,168,138.60 - Step 4: Simplify right side
15,961,886,382.44x = 194,402,312,455,051,280,384 - Step 5: Solve for x
x = 194,402,312,455,051,280,384/15,961,886,382.44 - Step 6: Final answer
x = 12,179,156,510.53
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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.