Finding the Fourth Proportional to 833,539,204.12, 1,250,423,782.12 and 483,949,910.12
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Solution
The fourth proportional to 833,539,204.12, 1,250,423,782.12 and 483,949,910.12 is: 725,991,619.80
Step by Step Solution
- Step 1: Write the proportion equation
833,539,204.12 : 1,250,423,782.12 = 483,949,910.12 : x - Step 2: Convert to fraction form
833,539,204.12/1,250,423,782.12 = 483,949,910.12/x - Step 3: Cross multiply
833,539,204.12x = 1,250,423,782.12 × 483,949,910.12 - Step 4: Simplify right side
833,539,204.12x = 605,142,476,968,884,352 - Step 5: Solve for x
x = 605,142,476,968,884,352/833,539,204.12 - Step 6: Final answer
x = 725,991,619.80
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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.