Finding the Fourth Proportional to 7,772,599,331.28, 11,658,898,554.12 and 2,177,364,818.88
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Solution
The fourth proportional to 7,772,599,331.28, 11,658,898,554.12 and 2,177,364,818.88 is: 3,266,047,104.28
Step by Step Solution
- Step 1: Write the proportion equation
7,772,599,331.28 : 11,658,898,554.12 = 2,177,364,818.88 : x - Step 2: Convert to fraction form
7,772,599,331.28/11,658,898,554.12 = 2,177,364,818.88/x - Step 3: Cross multiply
7,772,599,331.28x = 11,658,898,554.12 × 2,177,364,818.88 - Step 4: Simplify right side
7,772,599,331.28x = 25,385,675,538,631,790,592 - Step 5: Solve for x
x = 25,385,675,538,631,790,592/7,772,599,331.28 - Step 6: Final answer
x = 3,266,047,104.28
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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.