Finding the Fourth Proportional to 3,491,951,243.17, 4,818,173,356.61 and 2,006,552,390.53
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Solution
The fourth proportional to 3,491,951,243.17, 4,818,173,356.61 and 2,006,552,390.53 is: 2,768,628,939.36
Step by Step Solution
- Step 1: Write the proportion equation
3,491,951,243.17 : 4,818,173,356.61 = 2,006,552,390.53 : x - Step 2: Convert to fraction form
3,491,951,243.17/4,818,173,356.61 = 2,006,552,390.53/x - Step 3: Cross multiply
3,491,951,243.17x = 4,818,173,356.61 × 2,006,552,390.53 - Step 4: Simplify right side
3,491,951,243.17x = 9,667,917,266,683,715,584 - Step 5: Solve for x
x = 9,667,917,266,683,715,584/3,491,951,243.17 - Step 6: Final answer
x = 2,768,628,939.36
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1.5x scale
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.