Finding the Fourth Proportional to 5,227,925,212.28, 7,844,203,572.74 and 2,740,194,920.35
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Solution
The fourth proportional to 5,227,925,212.28, 7,844,203,572.74 and 2,740,194,920.35 is: 4,111,506,173.37
Step by Step Solution
- Step 1: Write the proportion equation
5,227,925,212.28 : 7,844,203,572.74 = 2,740,194,920.35 : x - Step 2: Convert to fraction form
5,227,925,212.28/7,844,203,572.74 = 2,740,194,920.35/x - Step 3: Cross multiply
5,227,925,212.28x = 7,844,203,572.74 × 2,740,194,920.35 - Step 4: Simplify right side
5,227,925,212.28x = 21,494,646,784,220,925,952 - Step 5: Solve for x
x = 21,494,646,784,220,925,952/5,227,925,212.28 - Step 6: Final answer
x = 4,111,506,173.37
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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.