Finding the Fourth Proportional to 2,952,260,428.80, 4,428,437,882.40 and 771,226,564.80
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Solution
The fourth proportional to 2,952,260,428.80, 4,428,437,882.40 and 771,226,564.80 is: 1,156,852,187.62
Step by Step Solution
- Step 1: Write the proportion equation
2,952,260,428.80 : 4,428,437,882.40 = 771,226,564.80 : x - Step 2: Convert to fraction form
2,952,260,428.80/4,428,437,882.40 = 771,226,564.80/x - Step 3: Cross multiply
2,952,260,428.80x = 4,428,437,882.40 × 771,226,564.80 - Step 4: Simplify right side
2,952,260,428.80x = 3,415,328,935,473,538,048 - Step 5: Solve for x
x = 3,415,328,935,473,538,048/2,952,260,428.80 - Step 6: Final answer
x = 1,156,852,187.62
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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.