Finding the Fourth Proportional to 833,539,207.12, 1,250,423,786.62 and 483,949,913.12
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Solution
The fourth proportional to 833,539,207.12, 1,250,423,786.62 and 483,949,913.12 is: 725,991,624.30
Step by Step Solution
- Step 1: Write the proportion equation
833,539,207.12 : 1,250,423,786.62 = 483,949,913.12 : x - Step 2: Convert to fraction form
833,539,207.12/1,250,423,786.62 = 483,949,913.12/x - Step 3: Cross multiply
833,539,207.12x = 1,250,423,786.62 × 483,949,913.12 - Step 4: Simplify right side
833,539,207.12x = 605,142,482,897,930,368 - Step 5: Solve for x
x = 605,142,482,897,930,368/833,539,207.12 - Step 6: Final answer
x = 725,991,624.30
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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.