Finding the Fourth Proportional to 614,415,103.62, 921,623,542.46 and 250,909,459.62
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Solution
The fourth proportional to 614,415,103.62, 921,623,542.46 and 250,909,459.62 is: 376,364,551.67
Step by Step Solution
- Step 1: Write the proportion equation
614,415,103.62 : 921,623,542.46 = 250,909,459.62 : x - Step 2: Convert to fraction form
614,415,103.62/921,623,542.46 = 250,909,459.62/x - Step 3: Cross multiply
614,415,103.62x = 921,623,542.46 × 250,909,459.62 - Step 4: Simplify right side
614,415,103.62x = 231,244,065,011,708,736 - Step 5: Solve for x
x = 231,244,065,011,708,736/614,415,103.62 - Step 6: Final answer
x = 376,364,551.67
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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.