Finding the Fourth Proportional to 7,757,474,016.17, 11,636,211,178.02 and 1,862,033,251.79
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Solution
The fourth proportional to 7,757,474,016.17, 11,636,211,178.02 and 1,862,033,251.79 is: 2,793,049,914.59
Step by Step Solution
- Step 1: Write the proportion equation
7,757,474,016.17 : 11,636,211,178.02 = 1,862,033,251.79 : x - Step 2: Convert to fraction form
7,757,474,016.17/11,636,211,178.02 = 1,862,033,251.79/x - Step 3: Cross multiply
7,757,474,016.17x = 11,636,211,178.02 × 1,862,033,251.79 - Step 4: Simplify right side
7,757,474,016.17x = 21,667,012,138,323,726,336 - Step 5: Solve for x
x = 21,667,012,138,323,726,336/7,757,474,016.17 - Step 6: Final answer
x = 2,793,049,914.59
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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.