Finding the Fourth Proportional to 6,985,141,125.58, 9,639,445,716.09 and 3,813,325,041.94
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Solution
The fourth proportional to 6,985,141,125.58, 9,639,445,716.09 and 3,813,325,041.94 is: 5,262,361,787.51
Step by Step Solution
- Step 1: Write the proportion equation
6,985,141,125.58 : 9,639,445,716.09 = 3,813,325,041.94 : x - Step 2: Convert to fraction form
6,985,141,125.58/9,639,445,716.09 = 3,813,325,041.94/x - Step 3: Cross multiply
6,985,141,125.58x = 9,639,445,716.09 × 3,813,325,041.94 - Step 4: Simplify right side
6,985,141,125.58x = 36,758,339,739,587,252,224 - Step 5: Solve for x
x = 36,758,339,739,587,252,224/6,985,141,125.58 - Step 6: Final answer
x = 5,262,361,787.51
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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.