Finding the Fourth Proportional to 3,209,972,962.80, 4,814,959,444.20 and 2,873,251,945.20
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Solution
The fourth proportional to 3,209,972,962.80, 4,814,959,444.20 and 2,873,251,945.20 is: 4,309,877,917.80
Step by Step Solution
- Step 1: Write the proportion equation
3,209,972,962.80 : 4,814,959,444.20 = 2,873,251,945.20 : x - Step 2: Convert to fraction form
3,209,972,962.80/4,814,959,444.20 = 2,873,251,945.20/x - Step 3: Cross multiply
3,209,972,962.80x = 4,814,959,444.20 × 2,873,251,945.20 - Step 4: Simplify right side
3,209,972,962.80x = 13,834,591,589,106,759,680 - Step 5: Solve for x
x = 13,834,591,589,106,759,680/3,209,972,962.80 - Step 6: Final answer
x = 4,309,877,917.80
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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.