Finding the Fourth Proportional to 912,186,793.80, 1,368,280,190.70 and 797,395,537.80
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Solution
The fourth proportional to 912,186,793.80, 1,368,280,190.70 and 797,395,537.80 is: 1,196,093,306.70
Step by Step Solution
- Step 1: Write the proportion equation
912,186,793.80 : 1,368,280,190.70 = 797,395,537.80 : x - Step 2: Convert to fraction form
912,186,793.80/1,368,280,190.70 = 797,395,537.80/x - Step 3: Cross multiply
912,186,793.80x = 1,368,280,190.70 × 797,395,537.80 - Step 4: Simplify right side
912,186,793.80x = 1,091,060,518,524,313,088 - Step 5: Solve for x
x = 1,091,060,518,524,313,088/912,186,793.80 - Step 6: Final answer
x = 1,196,093,306.70
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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.