Finding the Fourth Proportional to 8,875,689,146.66, 12,248,457,625.89 and 4,806,622,438.81
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Solution
The fourth proportional to 8,875,689,146.66, 12,248,457,625.89 and 4,806,622,438.81 is: 6,633,142,541.67
Step by Step Solution
- Step 1: Write the proportion equation
8,875,689,146.66 : 12,248,457,625.89 = 4,806,622,438.81 : x - Step 2: Convert to fraction form
8,875,689,146.66/12,248,457,625.89 = 4,806,622,438.81/x - Step 3: Cross multiply
8,875,689,146.66x = 12,248,457,625.89 × 4,806,622,438.81 - Step 4: Simplify right side
8,875,689,146.66x = 58,873,711,265,385,709,568 - Step 5: Solve for x
x = 58,873,711,265,385,709,568/8,875,689,146.66 - Step 6: Final answer
x = 6,633,142,541.67
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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.