Finding the Fourth Proportional to 1,107,293,800.98, 1,527,345,439.84 and 710,187,799.75
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Solution
The fourth proportional to 1,107,293,800.98, 1,527,345,439.84 and 710,187,799.75 is: 979,597,371.92
Step by Step Solution
- Step 1: Write the proportion equation
1,107,293,800.98 : 1,527,345,439.84 = 710,187,799.75 : x - Step 2: Convert to fraction form
1,107,293,800.98/1,527,345,439.84 = 710,187,799.75/x - Step 3: Cross multiply
1,107,293,800.98x = 1,527,345,439.84 × 710,187,799.75 - Step 4: Simplify right side
1,107,293,800.98x = 1,084,702,097,378,165,504 - Step 5: Solve for x
x = 1,084,702,097,378,165,504/1,107,293,800.98 - Step 6: Final answer
x = 979,597,371.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.