Finding the Fourth Proportional to 8,252,790,373.97, 12,355,938,997.51 and 7,415,962,117.73
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Solution
The fourth proportional to 8,252,790,373.97, 12,355,938,997.51 and 7,415,962,117.73 is: 11,103,053,801.48
Step by Step Solution
- Step 1: Write the proportion equation
8,252,790,373.97 : 12,355,938,997.51 = 7,415,962,117.73 : x - Step 2: Convert to fraction form
8,252,790,373.97/12,355,938,997.51 = 7,415,962,117.73/x - Step 3: Cross multiply
8,252,790,373.97x = 12,355,938,997.51 × 7,415,962,117.73 - Step 4: Simplify right side
8,252,790,373.97x = 91,631,175,534,432,927,744 - Step 5: Solve for x
x = 91,631,175,534,432,927,744/8,252,790,373.97 - Step 6: Final answer
x = 11,103,053,801.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.