Finding the Fourth Proportional to 882,361,330.20, 1,323,541,995.30 and 555,843,979.80
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Solution
The fourth proportional to 882,361,330.20, 1,323,541,995.30 and 555,843,979.80 is: 833,765,969.70
Step by Step Solution
- Step 1: Write the proportion equation
882,361,330.20 : 1,323,541,995.30 = 555,843,979.80 : x - Step 2: Convert to fraction form
882,361,330.20/1,323,541,995.30 = 555,843,979.80/x - Step 3: Cross multiply
882,361,330.20x = 1,323,541,995.30 × 555,843,979.80 - Step 4: Simplify right side
882,361,330.20x = 735,682,850,099,984,768 - Step 5: Solve for x
x = 735,682,850,099,984,768/882,361,330.20 - Step 6: Final answer
x = 833,765,969.70
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Double scale
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Similar ratio
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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.