Finding the Fourth Proportional to 1,368,576,822.40, 2,052,865,233.60 and 551,275,676.80
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Solution
The fourth proportional to 1,368,576,822.40, 2,052,865,233.60 and 551,275,676.80 is: 826,913,515.20
Step by Step Solution
- Step 1: Write the proportion equation
1,368,576,822.40 : 2,052,865,233.60 = 551,275,676.80 : x - Step 2: Convert to fraction form
1,368,576,822.40/2,052,865,233.60 = 551,275,676.80/x - Step 3: Cross multiply
1,368,576,822.40x = 2,052,865,233.60 × 551,275,676.80 - Step 4: Simplify right side
1,368,576,822.40x = 1,131,694,671,032,029,952 - Step 5: Solve for x
x = 1,131,694,671,032,029,952/1,368,576,822.40 - Step 6: Final answer
x = 826,913,515.20
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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.